Right. You might remember I had connection issues with the HD2. I sent it off for repair, and it came back, but now displaying "3G+" at the top. This was super fast and everything was working fine. Now, all of a sudden it has gone back to 3G that is REALLY slow! Now, I see other people are having this problem. According to Vodafone, I am in a 3G blackspot and there is nothing I can do. If this was the case, I would never receive 3G+ in the first place, which they just ignore when I ask them about it. Could it possibly be the phone? I personally think Vodafone are just messing me around
Only 1 view? Any reply would be appreciated, this is an ongoing problem for me...
Edited : Was being a fool
Just because people look at it it doesn't mean they are going to have an answer i have seen some threads on here go unanswered for the best part of the day until someone comes on-line that actually has an answer, so just give it time, not every member knows what everybody else knows, that's why its a forum for people to club together and help each other out.
rant over
Oh ok, I'm sorry
Ok, so now Vodafone are ignoring me, which is just great (pfft). I would appreciate ANY help if there are any tips as to any procedures I could undertake. The HSDPA I was receiving just cut out the other night, and won't budge from 3G any more, not even to G or E, which is kinda annoying.
Have you tried it in a different area? You'll not get HSDPA coverage everywhere - that's normal. The way you're talking, seems like you're just sitting in your house testing it.
Of course I've tested it elsewhere. What you need to understand is though, I was receiving HSDPA full in my house for a good few days after I got the phone back from repair, now its just gone. All of a sudden, gone. I try doing the network selection process again, and the 3G+ flickers for a millisecond at the most, and then disappears. I don't know why this is happening, I used to get brilliant HSDPA connection wherever I went in Preston
Just to give you guys a glimpse of EXACTLY how bad the connection is, I ran a speed test on my phone via speedtest.net. Here are the results:
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There is DEFINITELY something wrong here, but what could it be?
Faz20 said:
Just to give you guys a glimpse of EXACTLY how bad the connection is, I ran a speed test on my phone via speedtest.net. Here are the results:
There is DEFINITELY something wrong here, but what could it be?
Click to expand...
Click to collapse
What is wrong? that you're getting as-expected 3G speed (.38mbps is the equivalent of 384kbps 3G standard) or the fact that you're getting a 3G+ symbol but are only getting 3G speed? Just because it's showing 3G+ (im assuming that it's similar to HSPA) doesnt mean you're at the optimal cell distance to receive it. It may be VERY POOR in your case, so it bounce you down to 3G.
That's the thing, its not poor in my area. I mean, I don't think even standard 3G is as slow as I'm experiencing. A 12 second YouTube video taking a minute to buffer? www.google.com taking a LONG time to load, there's something wrong man. I feel like just selling this phone and getting a BB or something, I know the connectivity will be strong with that.
Faz20 said:
That's the thing, its not poor in my area. I mean, I don't think even standard 3G is as slow as I'm experiencing. A 12 second YouTube video taking a minute to buffer? www.google.com taking a LONG time to load, there's something wrong man. I feel like just selling this phone and getting a BB or something, I know the connectivity will be strong with that.
Click to expand...
Click to collapse
How do you verify? Do you have another vodafone nearby that you can test out?
That's the annoying thing, I can't test out my SIM in another smartphone, as this is the only one I have. I have however tried another SIM in my phone and there is the same problem. This is the reply I get from Vodafone eForum:
Hi Faz20,
If it was a site fault that was to blame for this before, then it's highly likely to be the same sort of problem again. Issues like this are rarely ever the fault of the handset.
I have checked the postcode listed in your profile, and can see there are three possible HSDPA sites around you, none of which are showing any open faults at this moment, so we'll need to raise a case to our Faults Team for this to be investigated further.
I've emailed you so that we can start this process off
Jon
eForum Team
What is annoying me is that they keep ignoring me when I say I was experiencing fine internet connection with smooth speeds, and it just suddenly cut out. They just change the subject ALL the time when I mention it :angry:
One more to remember: you have to consider the speed AND QoS as well.
Try another site, I'd google for visualvare my speed.
If you have poor quality of service (you have veeeery long ping) that means: your phone tries to download.. then waits.. then tries again.. and some packets are lost.... so tries again... and so on.
1699ms ping is quite a lot I imagine? As my puter is only like 0.6ms, but surely the phone can't have that big a difference. Is there anything I could do to lower the ping, I don't want to flash and cooked ROM's atm as I am very inexperienced and don't want to void the warranty.
Faz20 said:
1699ms ping is quite a lot I imagine? As my puter is only like 0.6ms, but surely the phone can't have that big a difference. Is there anything I could do to lower the ping, I don't want to flash and cooked ROM's atm as I am very inexperienced and don't want to void the warranty.
Click to expand...
Click to collapse
Then you're simply in a 3G blackspot. I know it's disheartening for having an HD2 and stuck with ****ty data coverage, but that's what seem to be the problem right now. You have a seriously high ping coupled that with slow transfer speed would only dictate that you're not in an ideal area where 3G coverage is plentiful.
How would that explain that I was receiving fine connection speeds before? This is where my hair is falling out
Faz20 said:
How would that explain that I was receiving fine connection speeds before? This is where my hair is falling out
Click to expand...
Click to collapse
Maybe you're hallucinating that you had fast connection before? Maybe Vodafone thought that your area doesn't deserve the bandwidth and thus prioritizing the 3G speed for other, more robust, cities? Or maybe radioactive termites have run amok on the cell tower, causing you to not get fast 3G speed?
Who knows...
Nah, I can assure you I wasn't hallucinating, I stay away from the Magic Mushrooms
I just think Vodafone are a bag of s*it. All my friends with the same phone on O2, Orange are receiving HSDPA all the time. Its stupid
I'm gonna phone up Vodafone today and kinda go mad at them. The last time I phone they "escalated" the connection, maybe the reason why I was getting HSDPA all the time, wherever I went. Now suddenly its gone again. Quick question for you guys, when your phone is on 3G Full bars, how is the speeds. Are they quick and rapid? Do Internet pages load quickly? etc. etc.
Ok, so what do I get told when I ring up Vodafone. I have bad 3G coverage in my area (blatant lie). When I ask how do I resolve this? Buy Vodafone Sure Signal, £50 one off payment or £5 a month. Great way to resolve a problem, try to sell me something else, another one of Vodafone's probably bullsh*t products. Its so frustrating, having to live with a stupid network provider with such a beautiful phone!
Can I cry on someone's shoulder?
Related
how fast are you guys get from the tmobile internet option?
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please tell me what radios you guys are using to get such good 3G speed.
I curently run android on my leo and even tho i got h indicator in my area i barely can go above 1mb/s down. I didnt test it on windows tho.
I use stock tmo radio
Just did a test with a speedtest app
1.58 down
0.8 up.
Sent from my HTC HD2 using XDA App
are you serious? how is it other phone can go up as far as 8MB and we can barely get 1?!
G1_enthusiast said:
are you serious? how is it other phone can go up as far as 8MB and we can barely get 1?!
Click to expand...
Click to collapse
Hold on there. First, the android builds that can run on this phone are known to get slow 3G speeds no matter what, compared to what they should be in that location. nomadwgk would get a considerably higher speed if he was testing it through winmo.
Now, your speeds don't look right, if you're in a well-covered part of the DC area. This phone can indeed get speeds all the way up to the 7.2Mb limit, I've had mine test that fast once or twice here in bursts, but I usually get around 3-5Mb avg. So, there's something preventing your phone from getting the speeds it should.
Has it always been this slow since you first got it? How many bars are you seeing when you test it? What method are you using to test the speed exactly? This info will help us troubleshoot.
Plus, how strong of a signal did you have? From what I gather, a 4 bar signal will outperform a 2 bar signal.
i don't know how you guys get such a fast connection. every time i test it using dslreports i only get about 100-130 kbs. on a 400k test. and that's on a strong 3G connection in the middle of the city.
Its says my RR Turbo gives me 339 kbit/sec 1MB test. wifi connections on android, :::checking windows::::
ddgarcia05 said:
i don't know how you guys get such a fast connection. every time i test it using dslreports i only get about 100-130 kbs. on a 400k test. and that's on a strong 3G connection in the middle of the city.
Its says my RR Turbo gives me 339 kbit/sec 1MB test. wifi connections on android, :::checking windows::::
Click to expand...
Click to collapse
There's a couple of factors at play here...first, you'll probably want to test with another site that uses a larger test file. I recommend www.speakeasy.net/speedtest...it works in IE but not opera, but it's the best mobile test site I've found.
Second, I learned from a T-Mobile engineer recently that the HSDPA speeds are actually dynamic, and load-dependent. In other words, the higher speeds won't fully kick in until you're transferring a larger amount of data at once...otherwise you'll get regular 3G speeds (or less) while just pushing a small amount of data (like weather updates, etc). So, you may not be able to measure the full speed you can get, until you're transferring a large enough file. That site I mentioned above seems to use a big enuogh test file to get full-speed results from the network.
Same problem
i live in vegas by the strip so OF course its gunna be good service,
I have 4 bars on "H" some times it will change to "3g" but it will still have 4bars... and my internet speed is like not even close to a MB, i took your advice about higher file transfer so i hooked up my xbox to my internet through my phone it worked, but it was really SLOW!
how can i fix the internet speed.
sirphunkee said:
Hold on there. First, the android builds that can run on this phone are known to get slow 3G speeds no matter what, compared to what they should be in that location. nomadwgk would get a considerably higher speed if he was testing it through winmo.
Now, your speeds don't look right, if you're in a well-covered part of the DC area. This phone can indeed get speeds all the way up to the 7.2Mb limit, I've had mine test that fast once or twice here in bursts, but I usually get around 3-5Mb avg. So, there's something preventing your phone from getting the speeds it should.
Has it always been this slow since you first got it? How many bars are you seeing when you test it? What method are you using to test the speed exactly? This info will help us troubleshoot.
Click to expand...
Click to collapse
i'm not using android OS man i'm using the latest energy rom, you got any good radio to reccomend me? i'm using 2.12.50.02 radio and constantly getting that H instead of 3G wth and its about 4 H bar most of the time but sometimes 3G coming in and out.
sirphunkee said:
There's a couple of factors at play here...first, you'll probably want to test with another site that uses a larger test file. I recommend www.speakeasy.net/speedtest...it works in IE but not opera, but it's the best mobile test site I've found.
Second, I learned from a T-Mobile engineer recently that the HSDPA speeds are actually dynamic, and load-dependent. In other words, the higher speeds won't fully kick in until you're transferring a larger amount of data at once...otherwise you'll get regular 3G speeds (or less) while just pushing a small amount of data (like weather updates, etc). So, you may not be able to measure the full speed you can get, until you're transferring a large enough file. That site I mentioned above seems to use a big enuogh test file to get full-speed results from the network.
Click to expand...
Click to collapse
try ur site i'm getting .65Mbps down and .71 up
G1_enthusiast said:
i'm not using android OS man i'm using the latest energy rom, you got any good radio to reccomend me? i'm using 2.12.50.02 radio and constantly getting that H instead of 3G wth and its about 4 H bar most of the time but sometimes 3G coming in and out.
Click to expand...
Click to collapse
I didn't assume you were using android, I was just letting you know his results definitely weren't indicative of what the phone is capable of.
I use the radio you'll see in my signature below, it may make a difference, I don't know...it's the only one I've ever used on this phone.
You might want to double-check these three things:
1) Go to settings (WM settings, not Sense settings), and in the "connections" folder, choose "advanced network". Make sure "Enable HSDPA/HSUPA" is selected on the first tab there.
2) Also in the connections folder, choose the "connections" icon. Choose "manage existing connections" under the "T-Mobile Data" heading. On the "Modem" tab, make sure the T-Mobile Data connection shows "epc.tmobile.com" under the "Number" header.
3) On the Proxy Settings tab there, make sure "This network uses a proxy server..." is unchecked.
hey all, i've been a longtime lurker of the xda forums and always appreciated the fantastic work everyone here does. i searched the forums for this problem but saw many discontinued threads with no answer which is why I'm bringing it up (apologies if i wasn't thorough enough) .I was running the latest iced glacier rom 1.1.6, i checked that thread but found nobody with the same problem, making me think it was most likely my mistake and not a glitch in the rom. i was running wifi all day so i didn't notice until tonight that i can't connect to the mobile network when set at the "auto gsm/wcdma" and "wcdma only" setting, and only connects to "gsm only". its only when i connect to "gsm only", turn on mobile network and then go to the settings and select "auto gsm/wcdma" that it will connect me to 3g data . everything else gets me a "connection failed". I punched in the APN to no avail. I'm glad i found the way around the problem but I'd rather not have the problem at all. i did a factory reset and put the APN again to make sure, but still the same problem. does anyone have some insight into this problem and can help me? much appreciated
tl;dr HDSPA connection attempts fail, only Edge works
marky310 said:
hey all, i've been a longtime lurker of the xda forums and always appreciated the fantastic work everyone here does. i searched the forums for this problem but saw many discontinued threads with no answer which is why I'm bringing it up (apologies if i wasn't thorough enough) .I was running the latest iced glacier rom 1.1.6, i checked that thread but found nobody with the same problem, making me think it was most likely my mistake and not a glitch in the rom. i was running wifi all day so i didn't notice until tonight that i can't connect to the mobile network when set at the "auto gsm/wcdma" and "wcdma only" setting, and only connects to "gsm only". its only when i connect to "gsm only", turn on mobile network and then go to the settings and select "auto gsm/wcdma" that it will connect me to 3g data . everything else gets me a "connection failed". I punched in the APN to no avail. I'm glad i found the way around the problem but I'd rather not have the problem at all. i did a factory reset and put the APN again to make sure, but still the same problem. does anyone have some insight into this problem and can help me? much appreciated
tl;dr HDSPA connection attempts fail, only Edge works
Click to expand...
Click to collapse
Hmm weird. Same thing happened to me today but it happened to me a different way. I was running CM Nightlys Build #3 and decided to do a nandroid that was from 2.x. After doing that Nandroid i ended up getting into a bootloop. So i figure okay, i'll just wipe everything and reflash CM since it was in my internal SD. Everything booted up fine but then i had no access to my data. Couldnt even connect to wifi. I then tried to go back to stock by installing the Pd5.img thats in the develop. forum and it returned me back to stock fine. Now my Wifi works but the data on my phone is still broken. I try to check and uncheck the Mobile Network and it just keeps saying Connection Failed. What do i do?
surfnhawaii808 said:
This is weird but I must live between several towers because I have a solid 2-3 bar H signal but my phone will drop to E aka edge at times and phone download speed takes a nose dive.... however if I change phone settings to connect only to wcdma the speed stays constant and super fast...
I have only noticed this happening at my home and no place else....
Anyone else ran into this?!
Aloha from Hawaii
Click to expand...
Click to collapse
Aloha from Hawaii!
Aloha from Hawaii!
aloha guys. well i woke up today and my mobile data could connect fine. i'm thinking since i was messing around with my phone at the time of this supposed outtage, it tricked me into thinking i messed something up. 651stp, did your problem go away as well? i feel kinda dumb now cuz i wiped my phone clean, s-on and everything, and it still wasnt working and give it a night of sleep and now its fixed but i'm gonna have to set my phone up again. ah well...
aloha
marky310 said:
aloha guys. well i woke up today and my mobile data could connect fine. i'm thinking since i was messing around with my phone at the time of this supposed outtage, it tricked me into thinking i messed something up. 651stp, did your problem go away as well? i feel kinda dumb now cuz i wiped my phone clean, s-on and everything, and it still wasnt working and give it a night of sleep and now its fixed but i'm gonna have to set my phone up again. ah well...
aloha
Click to expand...
Click to collapse
yes, my phone connected to data today LOL. damn that sux, i stayed up an extra 3 hours till 8am when i only usually stay up till 5am. almost made me late for work lol. data connects fine now but s is still on. maybe i'll re-root and then retry it to take it off. i need to return the phone and buy it elsewhere for cheaper.
I have been having the same problems even after changing out the phone. I believe it to be a problem with the software that runs the radio or the radio itself. It switches to different bands on it's own. I hope someone can address this with HTC or T-Mobile or both...
Why do you all quote the entire previous posts? It's obvious who you're replying to, so what's the point of that?
Anyway, I have somewhat of a similar problem, but haven't spent time trying to track the cause.. It might be related to wifi or maybe not, but at some random time after turning off my wifi, I will lose complete mobile network connectivity. No data will download or upload at all, until I reset my phone which seems to be the only way of fixing the problem.
I'm running Iced Glacier 1.1.5.1
Aspeds2989 said:
Why do you all quote the entire previous posts? It's obvious who you're replying to, so what's the point of that
Click to expand...
Click to collapse
You know, now that you mention it, I dont know why.
Just kidding! Dont beat me up!
Anyways, as far as my phone goes, its gone all day with no problem. Re rooted and restored so im 100. Never doubt that your local t mobile signal could be going through some maintenance.
Sent from my HTC Glacier using XDA App
Location, Mobile Networks, GSM vs WCDMA, etc.
I was about to post a new topic on this, but the nifty little Ajax monkey robot showed me this thread matched my keywords.
So I'm one of those d-bags that uses Facebook Places (Check-in). Not a lot and I don't frickin' check-in everywhere I go. I hate it when people do that. (Thanks for letting all of Facebook know you're not at home, so we can go break-in to your house.) I do use it though, as well as Yelp.
While I'm out, I'll go to check-in and it just spins its wheels - i.e. no Places load. I can be outside, clear sky and have GPS enabled and it still can't find my location. I noticed the same with Yelp, but Yelp actually errors out and tells me it cannot determine my location and prompts to go to my Location settings. Even with GPS enabled, Yelp still cannot determine my location. I noticed this here in Orlando/Longwood, FL and all the way down and through Ft. Lauderdale.
Obviously, if I enable WiFi my location can be determined instantly - e.g. Facebook Places finds it, Yelp finds it, etc. I'm not on WiFi all the time, so I don't really want to only be able to check-in at home.
I checked my APN and it has't been touched, it's at the default. I am on Ice Glacier, so I was willing to believe something could be different, but APN is correct. I also checked my stock ROM (Nandroid backup) AND my fiancee's phone, which is running stock (rooted).
I'm thinking it's got to be something to do with how my/our device(s) are registered on the network. So I look at the Network Mode and notice the default on my/my fiancee's phone is GSM/WCDMA Auto.
Just for giggles, I decided to knock it down to GSM Only. The radio restarts and then no H comes back - only Edge. I'm not just talking about the icon, I'm talking about the actual speed. Here's the cool part - once I went down to Edge (forced by being on GSM Only), guess what? Locations work perfectly now. Albeit a bit slower, but Facebook Places loads Check-ins immediately and Yelp is able to find my location now.
If I switch back to the original setting, the radio restarts, I get H back and for anywhere between a few minutes to a few hours, my location can be found. After a bit of time, I'm back to the same boat - location cannot be determined by mobile network.
I tried this on my ROM, my stock ROM and my fiancee's MT4G running stock - I can reproduce this 100% of the time.
I figured next, I'd try WCDMA Only...
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To my surprise, location works perfectly now, 100% of the time. I switched to WCDMA Only last night and I have been able to use any/all apps that determine location by mobile network.
I will record a video of this, as again, it is 100% reproducible on multiple MT4G's and various ROMs. Our signal strength and network speeds in this area are amazing (Orlando/Longwood, FL). I consistently get 7-9 mbps down and never go below 6. My battery life is fantastic, as my radio is never switching between network types (note: In other cities, like in south Florida, battery can die super quickly because it's constantly jumping from Edge to H and back again).
Even better, when I use the Speedtest app, my server list no longer only has Atlanta or Washington, D.C. as my closest servers. I now have a ton of servers here in Florida, out by the coast, etc.
So there's my brain dump for now. I am not saying I have a fix, but I am saying there is definitely an issue w/ how these devices are registered on the network. I'm not saying I should be on WCDMA Only either, but I can say that in our area, my connection is perfect and now I have no issues with location via mobile network.
What the heck could the issue be? Why wouldn't the device be able to be found on the network when on GSM/WCDMA Auto? Edge does location flawlessly (when forced via GSM Only) and WCDMA Only does location flawlessly as well.
I'll do my best to record the video this weekend and show this top to bottom, but I figured I'd share what I could to see if A) this would help anyone with this issue and B) to see if anyone could shed any light on all of this.
Bump,
Did you resolve the issue? I'm having the same problem.
mine works fine on cm7 and set to GSM/WCDMA Auto. It might be the towers in the area, call TMO support and tell them your problem and your fix. They'll send a tech out there to check the tower
That's exactly what I was thinking, but I wanted to see others' opinions.
I'll let ya know what TMO says...
[[[Ice Glacier beats Rock ~ via XDA App]]]
Its the towers. I am returning my mytouch today. Already switched to Verizon
Sent from my ADR6300 using XDA App
OK I am giving up. My first ever complain thread related to any phone I ever owned.
The 3g/4g reception on SGS2 - am I the only one with a not acceptable reception on AT&T in the States, New York City in particular?
I used to have the Captivate, and at work I would always get bad reception: it would show a bar or two or 3, but it would ALWAYS stick with that and stay on the data network. So basically speed would go down, but the connection would still be present, if I am downloading something.
My Captivate was stolen. So a month or two later I buy the SGS2.
It seems the same at first - not ideal data connection.
But now I am noticing a very annoying thing. The phone would constantly switch like crazy between E, 3G, H, H+, and would sometimes DROP data connection altogether. When it drops the connection I have to either reboot it, and it comes back on H+, or I have to put it on the window sill where the signal is better, and then the signal will get reacquired in about 5-10 minutes (not immediately).
What is wrong?
I have the latest firmware from last night (the problem existed before too).
The phone is not rooted, and has minimal apps installed. Only gmail is set to push, plus the default widgets. I did try factory reset 2 days ago.
I'm not certain with this phone but I have owned several that once they lose the data connection and cant find it for a set time they stop looking for a period of time before recommencing a new search. This to save battery. While it doesnt speak to your problem directly I live in a low signal 3g area and I actually get better speed by switching to edge only than I do on 3g and without the hassle of it constantly losing its signal and then switching to edge, back to 3g, etc. Another thought is that it does not have to be your phone, it could be a tower issue.
its possible that since the SGS2 antenna is located on the bottom back left of the device, this time you are experiencing worse signal attenuation from your hand blocking the antenna. have you tried sitting the phone on the desk or table and see if it is any more stable? if so then you may have to learn to hold the phone with the antenna exposed away from your hand.
if none of that works, then i dunno...
I am ALWAYS placing the phone on wooden desk when I test connectivity
I agree that it may be disconnecting and waiting for longer time , to save time, I am just curious why my old Captivate did not do the same thing and worked my better in terms of reception.
I ALWAYS could rely on 3g on the Captivate.
Now with my SGS2 on my desk, I look at it and it shows no data, and the emails are not synched, etc.
Extremely annoying.
ok so now i noticed more people are facing this problem. i am wondering if this is a hardware or software fault.
look at my post
http://forum.xda-developers.com/showthread.php?t=1073958
regards,
Same here....Data network absolutely is rubbish and I live in the middle of a large City!!
I get disconnections, slow or broken downloads, network errors and constantly changing from H, 3G, E, G. Seriously its like going back to WAP! its unusable i cant even check e-mail reliably unless im on WiFI thank good im on BT broadnband with its FON & Hotspots.
I.m on Orange in the uK, Ive flashed to KE1 but not KE2 because that has problems with Orange...grrrrr I was on O2 before on an iphone at it was reliable at least. I am just going to put mu orange Sim in my ipone to see how it goes......
Spoiling the love of this otherwise fabulous phone.
Hmm it's odd
my phone isn't connecting to the data service either. Are you on medianet or smartphone plan? Also one of my co-worker's iphone isn't connecting either but another one did barely hitting 1mbit. Anyone else from nyc having issues with data service?
I just rebooted my phone for the first time ever and it's showing servers in kansas as the closest server for speedtest.
I'm in NYC and have had not so ideal connections the past couple days. It was fine last week. Now when I run the speedtest app, I get spikes in the packet speeds (like Dirac functions) and the results are always inconsistent
i just ran the speedtest and the server was in Sayreville, NJ
i am having the exact same issue..at least yours keeps switching the band..on mine..once it looses 3g it wont even switch to edge..just disconnects the data connection..until i reboot or cycle thru the flight mode.if i force it on gsm only than the data connection is solid on edge..but whats the point..i need a fast data connection...and this is the most important thing that i need on a phone..good and fast data connection..for voip and other apps.my previous phone, desire hd does this band switching smoothly and does not loose data connection.
Sent from my GT-I9100 using Tapatalk
iznee said:
i am having the exact same issue..at least yours keeps switching the band..on mine..once it looses 3g it wont even switch to edge..just disconnects the data connection..until i reboot or cycle thru the flight mode.if i force it on gsm only than the data connection is solid on edge..but whats the point..i need a fast data connection...and this is the most important thing that i need on a phone..good and fast data connection..for voip and other apps.my previous phone, desire hd does this band switching smoothly and does not loose data connection.
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It did it smoothly on mine until today.
Sent from my GT-I9100 using XDA App
First, one of the advantages of an international non-branded phone is the lack of carrier modifications and crapware. The downside is the radio is also not optimized for a specific carrier's network. That's the answer to the different behavior between the Captivate and SGS2.
Second, New York's the worst possible market to comment on AT&T's network performance. The problems and congestion they have there are legend. Also, if they're working on the network (EG: upgrading more back haul) you're going to get funky performance while they're doing it.
Third, my Arabian friends, this has nothing to do with the issues a handful of you are having.
I'm in a smaller market with little congestion and mine phone works flawlessly and consistently. Like everyone else, my phone drops from H/H+ when no data's being transmitted but kicks back in instantly when needed.
Just hit 5424kbps/1254kbps on Speedtest using a local server. Could it be a regional issue in NY?
well a wonderful thing happened today.
people were calling me all day on the office number and asking "why do not you pick up your cell?"
I look at the cell , see 5 full bars on it and think to myself that they must have dialed a wrong number by accident.
Eventually I get suspicious, and dial my cell from my office phone - sure enough, it goes to voice mail after about 6 tones.
I had 5 bars on the phone. I then tried walking close to my office window, and even went downstairs and outside of the building. Still 5 bars, but can't reach that number. And when I tried calling FROM sgs2, it would just say "dialing" and then "call ended" after about 30 seconds of silence.
It took a phone reboot to properly get on the network.
kreoXDA said:
well a wonderful thing happened today.
people were calling me all day on the office number and asking "why do not you pick up your cell?"
I look at the cell , see 5 full bars on it and think to myself that they must have dialed a wrong number by accident.
Eventually I get suspicious, and dial my cell from my office phone - sure enough, it goes to voice mail after about 6 tones.
I had 5 bars on the phone. I then tried walking close to my office window, and even went downstairs and outside of the building. Still 5 bars, but can't reach that number. And when I tried calling FROM sgs2, it would just say "dialing" and then "call ended" after about 30 seconds of silence.
It took a phone reboot to properly get on the network.
Click to expand...
Click to collapse
Odd.
One of my co-worker said he had called me in the morning to see what i wanted for breakfast but i didn't pick up. Unless i received the call while i was in the elevator, i would have noticed the call. It didn't have a missed call notification or show up in the log.
Also i was able to use the phone during the day without a reboot.
I just reran the tests, it looks like my speeds are back to norm.
Just clocked in 4.38, 3.86, 4.7 and 5.75 down and 1.41,.97, 1.26, and 1.45 up. For those of you in nyc, run your tests again and see if it works
kreoXDA said:
well a wonderful thing happened today.
people were calling me all day on the office number and asking "why do not you pick up your cell?"
I look at the cell , see 5 full bars on it and think to myself that they must have dialed a wrong number by accident.
Eventually I get suspicious, and dial my cell from my office phone - sure enough, it goes to voice mail after about 6 tones.
I had 5 bars on the phone. I then tried walking close to my office window, and even went downstairs and outside of the building. Still 5 bars, but can't reach that number. And when I tried calling FROM sgs2, it would just say "dialing" and then "call ended" after about 30 seconds of silence.
It took a phone reboot to properly get on the network.
Click to expand...
Click to collapse
Have you tried forcing 1900 or 850 to see if that helps? I'm near Scranton, Wilkes-Barre, Hazleton in Pa, and 1900 does have a much faster ping and more bars, but 850 is generally faster and more reliable. In my particular case of course.
As further support of data being dormant on purpose, the Music Hub just popped up a dialog when I launched it that said "Activate data? Charges may apply." I get to NYC pretty frequently, you guys are really making me look forward to it.
rwj5279955 said:
Have you tried forcing 1900 or 850 to see if that helps? I'm near Scranton, Wilkes-Barre, Hazleton in Pa, and 1900 does have a much faster ping and more bars, but 850 is generally faster and more reliable. In my particular case of course.
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Click to collapse
I have not yet. I admit I panicked and bounced the phone Thought the phone just self destructed inside or something - never ever have I had a problem like this on AT&T in NYC in my 15 years with AT&T.
I can vouch this also never happened with my Captivate that I got on its release day.
Next time this happens I will try forcing bands.
kreoXDA said:
I have not yet. I admit I panicked and bounced the phone Thought the phone just self destructed inside or something - never ever have I had a problem like this on AT&T in NYC in my 15 years with AT&T.
I can vouch this also never happened with my Captivate that I got on its release day.
Next time this happens I will try forcing bands.
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Click to collapse
i've had a few instances of network connectivity issues with my captivate where i couldn't connect. That could have been from the custom rom. Now my buddy swears that he gets barely any network connection at his apartment
Anyways i'm getting much better network performance now. Even better than before
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I spent the majority of the day today in NYC and definitely experienced this, I actually tore through my battery completely bc of the lack of consistency with data connection. I even gave up checking xda.
I cannot wait till we have different modems to test!
I have had my HD2 since March 2011. It is unlocked, HSPL 2.08 and radio 2.15.50.14. Apart from the known issues with the Phone Canvas with later WM6.5 builds it has been fine. I have been cooking ROMs since my Wizard and then the Blackstone so I am reasonably experienced. I currently have my own custom build installed based on 5.2.23568.
For about a week now it seems to have developed a fault in that the GSM signal just drops off and then goes 'searching'. If I soft-reset the phone it will usually come back and then start to drop off again. If I disable the GSM radio and then re-enable it sometimes it won't enable immediately and might take three goes at the slider going green and then it asking for my PIN.
I have hard-reset, installed various different radios and recently re-flashed but the issue remains. I have also taken the case off the phone and ensured the 'touch' connecters are making contact with the antenna in the case housing. I ahave also reflashed te stock ROM and still the issue remains.
I have now reverted back to my Blackstone as it has become intolerable.
At the moment I have the Blackstone and the HD2 sat next to each other (both with Vodafone SIM cards installed) and the Blackstone has all 4-bars displayed and the HD2 has the 'Martini glass' searching symbol displayed.
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Its an eBay purchase but is more or less immaculate - it isn't something I can get my carrier to repair if it is a hardware fault.....
Any ideas
First (not trying to be rude) have you swopped sim cards to ensure its not a sim issue?
Next (I read on you trying different roms) task 29 and reinstall a stock win mo rom, its been known that on occasions failures are resolved by doing this, if it works they put your rom back on.
sadly thats the best I can offer
Like above check sim card fully & network for issues.
I had a very similar issue on my old Touch Pro, signal would go weak & sometimes overnight would loose conection & I would need to toggle flight mode & then all would be ok.
I started think that was likely hardware after calling network & tech support was convinced my device, well turned out was network prob & only linked to that one sim & how it registered to tower !
So check it out well.
Also you could try padding the back of the sim with some tape in case it is a sim contact issue ... & perhaps flash a stock ROM from SD so everwrite HSPL,Radio & also rilphone.dll will all be paired as should be !
All long shots but not much else left ... Good luck ...
I have similar problem. The phone has weak signal and it looses signal on weaker spots where other phones have full signal.
I have HD2 from US and I am in Europe. Maybe I should put some Europe RAdio?
Also sound is very low.
hrga said:
I have similar problem. The phone has weak signal and it looses signal on weaker spots where other phones have full signal.
I have HD2 from US and I am in Europe. Maybe I should put some Europe RAdio?
Also sound is very low.
Click to expand...
Click to collapse
Take CARE when flashing radios as non compatible versions on a US T-Mobile HD2 could result in HD2 paperweight.
My HD2 seems on par with other devices I have compared it for reception strength & I use it in some weak areas without issues.
Have seen a few posts on weak reception so it is either a particular SPL Radio & ROM combo is to blame or hardware issue if unlucky ...
Thanks for the replies it's much appreciated.
Firstly I have swapped SIM cards around (Vodafone Contract SIM & Vodafone Pay&Go SIM) and the fault follows the HD2. I think it has to be hardware or somthing 'unique' with my IMEI number and it registering?
It seems bizzare as I can sit here and watch the signal bars gradually drop off and then it go to 'searching' whilst the Blackstone just sits there happily with 3-bars and never budges.
I am unsure how to approach Vodafone about it as its my own phone (not supplied on a contract) and I think they would be able to give me some technical information as to what's happening with the registrations.
Andy
ADB100 said:
Thanks for the replies it's much appreciated.
Firstly I have swapped SIM cards around (Vodafone Contract SIM & Vodafone Pay&Go SIM) and the fault follows the HD2. I think it has to be hardware or somthing 'unique' with my IMEI number and it registering?
It seems bizzare as I can sit here and watch the signal bars gradually drop off and then it goe to 'searching' whilst the Blackstone just sits there happily with 3-bars and never budges.
I am unsure how to approach Vodafone about it as its my own phone (not supplied on a contract) and I think they would be able to give me some technical information as to what's happening with the registrations.
Andy
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I would recommend try other network sims or a foreign sim & you can then connect to various networks (roaming) & test signal reception.
That is how I got evidence that it was my network (DTAC) at fault, luckily my network main Office is near my work office so I turned up & pushed the issue until they produced a technical individual with the required knowledge & gumption to help resolve the issue.
The Phone Techies are useless unless you get lucky & we are talking national lottery lucky here.
Chances of hardware are quite high too as a few threads along same issue as yours are around on HD2 reception.
It gets more bizzare - Since the Leo is just better than the Blackstone I decided to take both with me and keep the Blackstone as 'fallback'. Tuesday & Wednesday I worked in Hull and the Leo worked just fine. Went out to the pub last night and the Leo just wouldn't register. Over a period of about 15-minutes I tried soft resetting, taking the battery out etc but nothing. I gave up and left the phone on the bar whilst I was talking to someone and then 5-minutes later I get a text - check the phone and its got 3-bars of signal? I sent a text reply and then the phone seemed to be OK.
Today the phone has been in the same position at home where I took the photo above and its not lost connection all day (so far).
I don't know what to think but I still believe it isn't fixed....
Andy
Good day every one
Really long time ago I had an idea! But few other people had the same idea Other projects use WIFI for a connection but I am talking about actual cellular network (GSM).
The idea is: add a feature to an open source cell phone to be able to make calls without a network provider. The design will look like a computer mesh network.
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Think of every cellphone like a Cisco network router with dynamic routing enabled.
Each phone will be aware of the presence of other phones and will have route table to every single one. There is no centralized server sort of like peer to peer.
When a user wants to make a call, then the cellphone will display the devices that are online and can be reached.
Look at the picture above and notice that there are more than one route to each device. Having many phones like that will increase the coverage!
Now does anyone know how to implement a such thing?
Maybe use android phones? Since OS is open source maybe it is possible to add this into it?
What do you think?
Reading materials:
http://www.cisco.com/en/US/docs/wireless/technology/mesh/7.0/design/guide/MeshAP_70.html
http://en.wikipedia.org/wiki/Mesh_networking
http://www.opencellphone.org/index.php?title=Main_Page
http://ipod-iphone.blogspot.com/2008/07/neo-freerunner.html
http://www.physorg.com/news198298057.html
http://www.servalproject.org/
http://bigthink.com/ideas/26480
http://www.freekorea.us/2011/02/20/...y-to-bring-cell-phone-service-to-north-korea/
http://www.psfk.com/2010/07/cell_phone_network_that_doesnt_need_towers.html
I dont think its practically feasible..
And moreover You cant use Service Provider's cellular network just like that ( and that also free)
man u realy want to learn how cdma, gsm,edge,2-4.5 g networkz work. and whatz a mobile handset realy do when its connected to a network.
send from my hd2 @ dorimanx v.3.0.0.rom,with 2way rec kernal.
I think Serval Mesh is what you want
EDIT : oups, already in your list...
amritpal2489 said:
You cant use Service Provider's cellular network just like that ( and that also free)
Click to expand...
Click to collapse
The idea here is to create an independant cellular network, using only the GSM equipment of phones, without using the service provider network.
sounds like a great idea, i would want something like this for sure. but the only down side is that you could only make a call for as far as the network broad casts which means in a small town it would really suck.
Nice idea but very costly.
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That's an interesting concept, but from what I understand, to make a call without an operator, both phones will have to be connected to the mesh network, right?
That situation would be rather rare, it's like making a video call between two iPod touch (that don't have a cellular network). If the other side is not connected to WiFi at the moment, the call won't go through.
Also something to think about is the battery life. If other people's calls would be routed through your phone all the time, it would drain the battery very fast.
The unfortunate bit to this idea is that, barring hardware,privacy, and feasibility constraints...If you implemented such a network, there would be no guarantee that you would be within the bounds of the network at any time. With current providers, there are rough estimates as to the coverage area that are fairly accurate, depending on exact conditions.
With this system, if a couple people in your neighborhood leave the town or country, suddenly, you have no service, or slow service.
It'd just fluctuate too much and wouldn't be reliable.
Phones hardware and closed-source software isn't designed to ad-hoc networking. IMO the closest available solution for that is this:
http://openbsc.osmocom.org/trac/
It is definitely an interesting idea, sorta makes me thing of "Ad-Hoc Networking for Phones". The only problem is, the phones would be limited to calls in their "network", so if you had 3 people in a desert, they could call each-other, but would be otherwise sunk
The problem though lies in that it would basically use your phone to power everyone else's phone service, and that would mean that your precious phone would be crunching data all day long, and eating batteries like they are going out of style (Not that it doesn't already).
So while in-theory you could get cellphones to all link up in a row and make a cell-to-cell network, latency would increase exponentially the more phones you have to "hop", and battery life would decrease.
Good thinking, but you would be better off starting your own cell network, and not charge outrageous prices. I am sure that we would all be happy to switch if you had good coverage and reasonable service
Nice idea hoping network providers would agree to implement such network feature.
But on the other side, it's far way impossible. For sure network providers would not allow that because it's some sort of a hacking over there frequency.
Not like Walkie-Talkies or CB Radios (Civilian Band Radios) where they operate at there own frequency with there own cell site for CB Radios.
I think the only way to make it possible is to hack the phones frequency and make it adjustable and add a unique ID for each phone. i.e. just like how the SIM Cards work. Once the frequency is hacked, then it is possible to control the transmitter.
Anyway, this is just my own IDEA, correct me if im wrong.
Nice idea,
How about openBTS ..? openbts,sourceforge,net
what different..?
I really have been thinking anout the same thing.somehow its gonna crack.
neat idea. although i agree with above posts,
battery would be an issue.
what if someones phone dies?
also, i see privacy being an issue. sure you could encrypt the call or text, but you would have direct access to every device in between point a and b. what would stop some smart guy from finding a way to invade your device. or write some malware that would run across the mesh. maybe i don't understand mesh networks well but it seems like a concern that would be valid.
biggest issue i can see is reliability. there are way to many variables for this to work out of heavily populated areas.
some kind of closed demonstration would be cool though
The problem with this is the modem/radio firmware is closed. It would be totally possible if we can get proper source for the modem/radio for each targeted device.
The battery drain would be tremendous. however this may be implemented in the form of an app or a function in android which can be switched off when not needed. This would also address the network congestion issues in crowded places. The more handsets the better.
It's an interesting idea, but has limits
If we thought about creating a new phone for this new network so that we weren't restricted by current cellular standards or architecture, it could be a good idea. The number of clients that the network could support via RF would be limited, however, because of the amount of signalling necessary between peers in a P2P environment and the fact that RF is broadcast, not point-to-point. Therefore, in order for peers to be able to hear each other over a reasonable distance, there would need to be a limit on the density of the mesh's population. In the current cellular topology, this limit is quite high because each handset only needs to communicate with one tower at any one time. In a mesh topology, each handset would have to communicate with a bunch of others in order to maintain the mesh and do the work of moving data through it.
So, this sort of topology is well-suited for low-density environments, but not so low-density that a handset can't communicate with at least a couple of other handsets. Also, at least one of the handsets would need to be able to communicate with a base station so that the whole mesh has access to the global comms network.
It's possible.. but impractical in a few cases.
I could understand in a densely populated city.
But what would the effects have on the radio usage?
"there by also the effects on battery life"
You'll find a nice video introduction into creating your own GSM network when Googling "CCC gsm network" and look at the 3rd link (I'm not allowed to post outside links). This should allow you to understand some of the GSM related technical terms on the OpenBSC page. I'm not sure if the guys from the video are the same people running OpenBSC.
I think that VoIP would be more interesting for you. Since it's really easy (NAT-ing can be nasty if you use multiple clients) to implement and you can use it over WiFi (generally internet).
So you could install a VoIP server at home accepting phone calls and forward the calls first to your mobile phone via WiFi when the phone is connected to your WiFi, otherwise the call can be forwarded via WiFi. You should even be able to use your VoIP Server at home to forward a call from your mobile phone over the internet to another phone number.
I think this is one of those pie in the sky ideas. While it sounds great there are some huge challenges. First and foremost the radio in your cell phone is locked down and you don't have the access that you need to be able to do that. The second issue is security. Routing voice would be fine but routing data, you pretty much have the worlds easiest man in the middle attack. The third issue is spectrum. Cell phones use RF spectrum that is bought and paid for, as in we can't use it otherwise the FCC could fine us lots and lots of cash money. And like others have said battery life would be awful.
I think there is a potential solution here though. Purpose built hardware. I know that some of the Ham bands are pretty close to the cell phone bands (close enough to work with cell phones). We could design a piece of hardware to act as a tower and we could start our own network. Using the internet as a backbone.