4g simcard? - myTouch 4G Q&A, Help & Troubleshooting

I'm currently using a 3g simcard i had for my g1 and it does seem to work on the mytouch, but should i be using (or do they even recommend using a 4gsimcard) for the device to improve data speed?

I've been using the same sim card for probably close to 6 years since when I had the dumbest of the dumbphones. It shouldn't be necessary to switch them out, but go to T-mobile and see if you can get a new one anyways. It can't hurt.

There is a "New generation" sim card. They will switch it for you for free. I suggest you do it. Cant hurt. I also know the contact area on the newer ones look different. (by contact i mean the physical sim card, not your phone book contacts lol)

Thanks (both of ya) Ya i'm thinking the new generation simcard is what i heard awhile back and wanted to make sure if it was correct or not to use fo rthis phone, thanks again for the quick reply's (great feedback on this forum)

I have never had speed issues with my old SIM card, but I have a Sensation coming in the mail and I will activate the new SIM card that comes with it and put it in my MT4G to see if there is an increase in my speeds.
Sent from my HTC Glacier using XDA App

I actually did an experiment with this. On the T-Mobile forums, right after the MT4G came out there was some debate over 3G SIM vs 4G SIM. My SIM was 6 to 8 years old, from before there was 3G. It worked fine in my MT4G, but as an experiment I did some signal and speed tests in multiple locations, then switched to the SIM that came with my MT4G and repeated the tests. I found no measurable difference. As far as I know, the SIM registers you to the network, but otherwise has nothing to do with what the radio in your device picks up.

The only the difference i notice with the new sim that came my 4g was that the lock screen no longer says 'get more' which was bothering me anyway. I believe the new sim can hold more text messages for phones that don't store texts on phone memory.
[via XDA premium]

Related

New Sim card

So after having problems with the new Radio i called up t mobile to just give them BS and they were like maybe it is your 7 year old SIM card causing you the problems. I didn't think it mattered that much at all. So they told me to go get a new SIM card in the store. Free of charge. After getting the new SIM card, i have full 3G all the time no matter where i am at in the twin cities in MN. Not sure why the new SIM card fixed it but it did.
Thats cool. I had the same problem with my g1 the sim just died 2 nights ago. I went into the store they told me $20. But I had 2 old sim cards at home. I called them up actived it and it was free
Wow, that is one old sim card...I didn't even know tmobile has been in the usa that long. Mine is 3 years old and has not had any 3G issues.
well i have been with t-mobile since they were called voicestream. which if i remember right means i have been with them for over 7 years now.
Prod1702 said:
So after having problems with the new Radio i called up t mobile to just give them BS and they were like maybe it is your 7 year old SIM card causing you the problems. I didn't think it mattered that much at all. So they told me to go get a new SIM card in the store. Free of charge. After getting the new SIM card, i have full 3G all the time no matter where i am at in the twin cities in MN. Not sure why the new SIM card fixed it but it did.
Click to expand...
Click to collapse
In general, the SIM card does very little, but it does have some info on it, and so forth. ie, AT&T 3G only works if you have an AT&T 3G sim card... I do not know the technical reasons behind it, but old sim cards can cause issues, especially with 3G.
I too have been with them for 7 years now, and I get 3G. But now I am wondering if I'm not getting it in certain areas, or getting less than perfect connection because of my old sim card?
Prod1702 said:
well i have been with t-mobile since they were called voicestream. which if i remember right means i have been with them for over 7 years now.
Click to expand...
Click to collapse
I have been, too. And it's really annoying that it says "Vstream" in the carrier field on the lock screen...
Does yours do that?
My last two phones (SE P900 and SE P1i) both were smart enough to pull the actual carrier information and displayed T-Mobile (or whoever I was roaming on)... how can this phone not see that?
I've been pulling my hair out trying to figure out what file in the ROM translates the carrier info to the text.. where the hell does it pull that from?
I'm assuming if I go over to Tmobile I can get a new SIM that will have the proper carrier info, but... hell... I'm lazy and I'm not having any 3G issues... and I dont' want them to charge me.
Any ideas? So far you're the only other person I've seen that's also been a Vstream member.
Oh and.. yes... I started with Voice Stream by importing the very first color phone (AFAIK).. the SE T68i. I bought it in spring 2002 right when it came out http://www.phonescoop.com/phones/phone.php?p=116
So... I've had this sim card for just shy of 8 years.
mikebeatrice said:
I have been, too. And it's really annoying that it says "Vstream" in the carrier field on the lock screen...
Does yours do that?
My last two phones (SE P900 and SE P1i) both were smart enough to pull the actual carrier information and displayed T-Mobile (or whoever I was roaming on)... how can this phone not see that?
I've been pulling my hair out trying to figure out what file in the ROM translates the carrier info to the text.. where the hell does it pull that from?
I'm assuming if I go over to Tmobile I can get a new SIM that will have the proper carrier info, but... hell... I'm lazy and I'm not having any 3G issues... and I dont' want them to charge me.
Any ideas? So far you're the only other person I've seen that's also been a Vstream member.
Oh and.. yes... I started with Voice Stream by importing the very first color phone (AFAIK).. the SE T68i. I bought it in spring 2002 right when it came out http://www.phonescoop.com/phones/phone.php?p=116
So... I've had this sim card for just shy of 8 years.
Click to expand...
Click to collapse
Holy Crap I remember that phone!
pjcforpres said:
In general, the SIM card does very little, but it does have some info on it, and so forth. ie, AT&T 3G only works if you have an AT&T 3G sim card... I do not know the technical reasons behind it, but old sim cards can cause issues, especially with 3G.
Click to expand...
Click to collapse
I can tell you that you don't need a "3G" USIM to use the AT&T UMTS network. They way you're supposed to build a 3g network is by requiring 64K or better encryption on SIM cards. 2G Sims are 32K. AT&T, being the lazy cheapskates they are hacked it into their deployment so that they didn't have to give everyone new cards. It's stupid because they tell all their front line staff to give people new cards anyway.
In my years working for them, I can count on one hand the number of people who have had 3G issues "caused" by a 2G card. In all of those cases it was probably a coincidence. I. Fact I never had any reception issue fixed by a new card. OTA updates? Yes, of course. You don't need to waste your time fetching a new card. Just a phone call and it's done.
So if you're concerned, have a customer service agent update your SIM profile. A new card is a waste of time, the only time you might see a benefit is when changing a card triggers the OTA sim update.
ATnTdude said:
I can tell you that you don't need a "3G" USIM to use the AT&T UMTS network. They way you're supposed to build a 3g network is by requiring 64K or better encryption on SIM cards. 2G Sims are 32K. AT&T, being the lazy cheapskates they are hacked it into their deployment so that they didn't have to give everyone new cards. It's stupid because they tell all their front line staff to give people new cards anyway.
In my years working for them, I can count on one hand the number of people who have had 3G issues "caused" by a 2G card. In all of those cases it was probably a coincidence. I. Fact I never had any reception issue fixed by a new card. OTA updates? Yes, of course. You don't need to waste your time fetching a new card. Just a phone call and it's done.
So if you're concerned, have a customer service agent update your SIM profile. A new card is a waste of time, the only time you might see a benefit is when changing a card triggers the OTA sim update.
Click to expand...
Click to collapse
Interesting... I know that SIMs very rarely are the true source, and the only time I had heard of it being so was when people had a 2G SIM when using a 3G device; ie the 32K versus 64K encryption. I thought there was no way around it, for technical reasons beyond my knowledge base. My limited understanding was that the 32K SIMs were missing certain technical protocol for a 3G network to recognize them as part of the 3G network, essentially.
I work for a carrier, btw, and am one of the few sales agents in my area that even knows how to refresh services and what not... actually, I used to have to call up CS and explain to them what needed to be done until my manager gave me the power to do it myself.
pjcforpres said:
Interesting... I know that SIMs very rarely are the true source, and the only time I had heard of it being so was when people had a 2G SIM when using a 3G device; ie the 32K versus 64K encryption. I thought there was no way around it, for technical reasons beyond my knowledge base. My limited understanding was that the 32K SIMs were missing certain technical protocol for a 3G network to recognize them as part of the 3G network, essentially.
I work for a carrier, btw, and am one of the few sales agents in my area that even knows how to refresh services and what not... actually, I used to have to call up CS and explain to them what needed to be done until my manager gave me the power to do it myself.
Click to expand...
Click to collapse
I stopped in Tmobile today and they replaced my SIM for free since it was nearly 8 years old (and was saying Vstream, which was annoying). Pretty sure it was a 32k sim. I didn't think I was having 3G/2G connectivity issues, but I'm pretty sure after I got the new SIM in there it started locking onto 3G signals faster and stays there steadily. I noticed it mainly on my train ride home where I would regularly drop to 2G... seemed like it didn't happen nearly as much.
mikebeatrice said:
... Oh and.. yes... I started with Voice Stream by importing the very first color phone (AFAIK).. the SE T68i. I bought it in spring 2002 right when it came out http://www.phonescoop.com/phones/phone.php?p=116
So... I've had this sim card for just shy of 8 years.
Click to expand...
Click to collapse
Off-topic but LOL. SE T68i... I still have mine as a "backup" phone (SIM unlocked). It's small and it still works... Was actually a great phone.
Cheers,
Kermee
Kermee said:
Off-topic but LOL. SE T68i... I still have mine as a "backup" phone (SIM unlocked). It's small and it still works... Was actually a great phone.
Cheers,
Kermee
Click to expand...
Click to collapse
I gave mine to my friend when I picked up the P900. He's gone through another phone since then (treo 650... he managed to put it in the clothes washer within 6 months of getting it) and is now back on the T68i.
Those SE phones are REALLY solid. I've always had a great experience with them, I just got sick of importing them to the US (and in the case of the P1i, not working on Tmob's 3G network.. bastard)... of course they announce the X10 coming to the US on Tmob like a week after I get the Nexus... ah well.
But.. yea.. T68i... one tough little bastard of a phone. The original battery is finally starting to not hold as good of a charge. Not too shabby for an 8 year old phone that's been used almost every day.

No HSPA+ speed, try getting free replacement Sim card

So I've been disappointed with the network speed of my G2, and I confirmed with T-Mobile's coverage map that HSPA+ is live in my town. Went online and chatted with TMO's customer service (which is always great IMO), and he said I need to replace my old sim card with a free new one that is 3G/4G compatible. He put a note on my account and said I just need to stop by one of their stores to switch it out! Going on my lunch break today. Geez, I've had the phone for over a month and this was the problem all along. Will update later, hope this helps anyone in the same boat.
Hey Keith,
Dude the SIM card won't do a thing....They told me the same thing, and it actually made my speed slower the first few days...
As for the HSPA+ speeds, it seems there is a bug witht eh G2. Thesre are other posts in this forum that talk about waiting for another OTA to fix that maybe by the end of the month, maybe Dec. Once the my4g came out it was evident that the G2 was not hitting the speeds available.
I usually get about 2.5 Mbps, but have hit ocasionally the 4's, and once 6 point something...
Hope it helps.
Crey, that sucks but I'm going to try the new simcard anyway
Sent from my T-Mobile G2 using XDA App
Sim card has nothing to do with your hspa speeds. All your sim card does is let the phone know your info. It doesn't control / affect your 3g / hspa speeds. Go for it though. If that makes you feel comfortable its worth the shot then. Just letting you know so you won't be disappointed in the end. Gl bro.
[G2/HTC Vision]
Yeah, I went into the store a few days after getting the phone to get my sim replaced. For some reason whenever I buy a new phone they always take the new sim out of the box and put it behind their counter and take my old sim and put it in the new phone. Hopefully the new sim they gave me is the latest and greatest. Anyone know what the new sims look like?
KeithRVA said:
So I've been disappointed with the network speed of my G2, and I confirmed with T-Mobile's coverage map that HSPA+ is live in my town. Went online and chatted with TMO's customer service (which is always great IMO), and he said I need to replace my old sim card with a free new one that is 3G/4G compatible. He put a note on my account and said I just need to stop by one of their stores to switch it out! Going on my lunch break today. Geez, I've had the phone for over a month and this was the problem all along. Will update later, hope this helps anyone in the same boat.
Click to expand...
Click to collapse
Sent from my T-Mobile G2 using XDA App
luis86dr said:
Sim card has nothing to do with your hspa speeds. All your sim card does is let the phone know your info. It doesn't control / affect your 3g / hspa speeds. Go for it though. If that makes you feel comfortable its worth the shot then. Just letting you know so you won't be disappointed in the end. Gl bro.
[G2/HTC Vision]
Click to expand...
Click to collapse
The TMo rep is full of it then. He said I was getting a "new 3G/4G compatible simcard". Well, it's worth a shot but I'll know not to take the card back if it doesn't work.
Can't remember his name, but there was a user who commented on a previous post similar to this. His sim card was about 8 years old and he was hitting about 7 mb/s with hspa. I think its just your area. I inserted the sim that came with the phone and I get crappy hspa speeds. My area isn't fully supported. I top out at 3.5 mb/s. So its all depending on your area bro. Give it time. Hspa will expand more. Its brand new.
[G2/HTC Vision]
While it won't do much for speeds, getting a new UICC SIM is good as the older sim cars are running into what is known as ' sim exhaustion' from reaching their registration limit (90,000 times) while this may seem like a lot, it doesn't take much with the newer 3G/HSPA towers.
Each time you enter the radius of a new tower, your device registers to it (basic description) - your phone does this a lot each day, especially if you travel a good deal.
The new UICC sim cards do not have a registration limit, and do not reach exhaustion. They are marked on one side of the sim by the numbers TM 9073. If you don't see that, your sim isn't UICC.
Sent from my T-Mobile G2 using XDA App
Got my new simcard, it does have the TM9073 marking, and the gold contact area on the back looks different, its smaller. Ran a speedtest inside the T-Mobile store and got 4mbp down and 3mbp up. Not great but better than I ever got with my old simcard. Back inside my office I ran speedtest again and it was the same as before, a crappy 1.30mbp down and a little better 1.5mbp up. But still a little boost from the old card. Guess it's worth it to get a new free simcard if you have an old one.
If you can get a new SIM card, it'll be worth it. Though I doubt it will have any influence on network speed, I know I had to get a new one. Mine was running on seven years old!
Sent from my T-Mobile G2 using XDA App
After reading this thread, I called T-Mo as well and the 2nd tech i talked to saw that I had the old G1 card in my phone and arranged a free one to be picked up at a local store (this after the first time i called was told that it was the cookies in my browser causing the internet speed to be slow and wanted to remotely delete them (they can do that?) I was like WHOA!!! I LIKE MY COOKIES!! she then told me it was because i needed to pull the battery once a week and because i had not been doing that, that also was causing the slow data..lol hung up on her and called back) even though i didn't see any increase in my office, i did see an increase on the street..nyc.

[Q] Antenna Drop, Edge Only, Tmo

I have not had any issues that i've seen other have on the forums but there is one issue i am having...
After the first few hours of use the antenna has either cut out completely and I see "no service" or only Edge is available.
Rebooting + open/close sim tray does not fix the problem. I am on T-Mobile.
I had to call in and have them "reset" the data on my line in order the get h+ speeds again. Also my buddy said they told him the Sim card that came with the phone, if from t mobile, could be a different type and if I keep getting issues they recommended to go into the store and request a new one. He also is having terrible speeds on t mobile. We are both seeing about 600kbs down and 1000kbs upload speeds. Used to be much better with my galaxy nexus....so I will check with them tomorrow again
Sent from my Nexus 4 using xda app-developers app
I have a similar problem but for me the H icon never goes away. It works for a good time but then all of a sudden it doesn't load anything. It comes and goes and it's really annoying.
Did you guys cut your sim card into micro or is it a real micro sim card?
My reception is pretty poor. It drops pretty randomly at times which can be frustrating, something that my Galaxy Nexus never did. I typically only see 2G speeds though due to my area.
Sent from my Nexus 10 using xda app-developers app
I cut my Sim and having the same issue... Guess I have to get a real micro sim
Sent from my Nexus 4 using xda app-developers app
I am using a microsim ... the one that came with the phone since I purchased through T-Mobile online.
I think it is the sim card because it looks like there are scratches on it after I had swaped it back to my vibrant with a microsim adapter.
I will go to the store today when they open and get a new sim. Hopefully this will fix this issue. It was working perfectly fine earlier.
My N4 is dropping calls and losing network connection like crazy. I'm using the same Sim that was in my SIII. It had no such issues.
Sent from my Nexus 4 using xda app-developers app
I haven't had your problem, but I did cut my SIM to a microSIM, and the first 2 times I put it in, the N4 would not recognize it. Since then, I've put it in 2 more times and it's been fine. Did you cut your SIM into a microSIM? Maybe the phone is extra picky about placement.
SOLVED
Got a new MicroSIM and It works perfectly. My original microSIM did get scratched too hard when using a MicroSim to SIM adapter (i was testing the microsim on my old phone)
I'm happy now
javacody said:
My N4 is dropping calls and losing network connection like crazy. I'm using the same Sim that was in my SIII. It had no such issues.
Sent from my Nexus 4 using xda app-developers app
Click to expand...
Click to collapse
Did you set up your APNs?
Robert_W said:
Got a new MicroSIM and It works perfectly. My original microSIM did get scratched too hard when using a MicroSim to SIM adapter (i was testing the microsim on my old phone)
I'm happy now
Click to expand...
Click to collapse
NVM. Same b.s just happened again with the new sim. Idk whats going on here. The antenna is randomly choosing to be on HSPA, EDGE, or nothing... I'll wait it out for a day or two.. see if things change
Why would I have to?
Sent from my Nexus 4 using xda app-developers app
EDIT:
called up. they did a reser on their end. didnt work. They will call me when the Nexus4 becomes available again. Mine is labelled as "defective" in the system
Robert_W said:
called up. they did a reser on their end. didnt work. I am now getting a new one now.... waiting on hold listining to christmas music
Click to expand...
Click to collapse
Let us know how it goes ,
this issue is very frustrating.
Sent from my Nexus 4 using xda app-developers app
Ugh. That sucks. Sorry to hear.
what really sucks is that I dont have any other issues with it. Every problem that i see on the forums is not existant on my nexus. I am scared that if it ever gets replaced that the new one may not be as perfect as this one is
I'm Having the exact same problem, except on AT&T. Coming from an Atrix 4G, cut the sim down to micro size, only had a network connection for the first 30 seconds after a reboot. I just got off the phone with a AT&T CSR to activate a new micro sim i picked up earlier today, he said IMEI showed up in their system as Unknown, according to him because "it's an unlocked device, so it shows up on our systems as unknown." After doing the switch anyway, connection held for about 5 minutes, and now i'm back to square one. Maybe APN settings? Is this a problem with the N4, or the service?
Absent Crysis said:
I'm Having the exact same problem, except on AT&T. Coming from an Atrix 4G, cut the sim down to micro size, only had a network connection for the first 30 seconds after a reboot. I just got off the phone with a AT&T CSR to activate a new micro sim i picked up earlier today, he said IMEI showed up in their system as Unknown, according to him because "it's an unlocked device, so it shows up on our systems as unknown." After doing the switch anyway, connection held for about 5 minutes, and now i'm back to square one. Maybe APN settings? Is this a problem with the N4, or the service?
Click to expand...
Click to collapse
I would think it may be an issue with the N4 since some people are perfectly fine with their connection, but then there's others like us who can't get it too work all the time =(
i think its a manufacturing defect
I'm thinking definitely manufacturing defect now, I went into a t-mobile store and tried one of their sim cards - same result. I even tried flashing everything completely back to stock, but the problem remains. Am I the only one experiencing this? I can't find any similar results..
EDIT: You guys think I should hold off on sending it back in until they have more in stock? So I'm not completely N4-less for 3 weeks?

[Q] t-mobile 4g malfunction

I tried to look for this problem, but couldn't find anything relevant...
finally got my unlocked nexus 4 in the mail today!
was super excited, cut my existing t-mobile sim card (I'm on a contract with them) and was able to connect to their network (can make calls and receive texts). When I try to connect to 4G, it takes ages to load a page. it takes the same page about 10 times as fast to load on 2G when i force 2G. Sometimes the page would time out and not load at all..
has anyone else experienced this problem?
Get a real microsim card, those cut sims don't work very well. They're free. I got one from tmobile and I have no problems with my 4g connection, blazing fast.
the sim worked fine on my t-mobile G2, but i guess i'll try to order a real micro anyways.
Did you set up the proper APNs? Check into that before anything else.
Sent from my Nexus 4
Ajfink said:
Did you set up the proper APNs? Check into that before anything else.
Sent from my Nexus 4
Click to expand...
Click to collapse
was the first thing i checked. got info from here
MusicMan374 said:
Get a real microsim card, those cut sims don't work very well. They're free. I got one from tmobile and I have no problems with my 4g connection, blazing fast.
Click to expand...
Click to collapse
Makes no difference. I cut my own sim. What makes a difference is OP had a G2 and the sim cards have since been updated and he needs a newer sim card.
[email protected] said:
the sim worked fine on my t-mobile G2, but i guess i'll try to order a real micro anyways.
Click to expand...
Click to collapse
See above, OP
Sent from my Nexus 4 using Tapatalk 2
I tried to find a way to order a microsim online, and failed. So, I went to the t-mob online chat support, waited about 15 min, and the guy told me that i had to call in or go to a store and that a replacement would not be free of charge.
So, I called in, waited about 15 seconds, and the guy sent a microsim my way for free..
I believe magic is at work here..
will let you know if the new sim solves the problem
Yes! please let us know, im having the same issue!
silvioalcan said:
Yes! please let us know, im having the same issue!
Click to expand...
Click to collapse
when i bought my nexus 4 from a tmobile store, the sim card that came with the phone which was also activated at purchase only let me have speeds of ~39kbps download and ~9kbps upload. this lasted me for about 2 hours and i returned to the store and complained. they swapped it out with a new sim card and i've been getting about 8mbps download and 1.2mbps upload here in Salt Lake City.
not real sure what my point is, but, sim replacement is fairly easy and would be my suggestion after my experience.
well.. I got my new sim card last night and realized that the speeds have nothing to do with my sim card, but probably with the local tower. before i got the new sim card, I sometimes got decent speeds (~4mbps) and sometimes it wouldnt connect. When I got the new sim card, the speedtest gave me 4 kbps.. about 10 miles away from here I got 5 mbps.
So the old sim card behaved exactly as the new one =/
I never had this problem with the G2, though. And I would get speeds up to 20 mbps on the same network..
So this is still very upsetting and confusing
[email protected] said:
well.. I got my new sim card last night and realized that the speeds have nothing to do with my sim card, but probably with the local tower. before i got the new sim card, I sometimes got decent speeds (~4mbps) and sometimes it wouldnt connect. When I got the new sim card, the speedtest gave me 4 kbps.. about 10 miles away from here I got 5 mbps.
So the old sim card behaved exactly as the new one =/
I never had this problem with the G2, though. And I would get speeds up to 20 mbps on the same network..
So this is still very upsetting and confusing
Click to expand...
Click to collapse
Might be a localized problem with the tower, call t-mobile, and they'll have technicians come out and look at it. Or, try another android phone and see if you have the same problem, that'll tell you whether or not it's the phone, if it's the phone, get a warranty replacement, might be a problem with the radio hardware.
[email protected] said:
well.. I got my new sim card last night and realized that the speeds have nothing to do with my sim card, but probably with the local tower. before i got the new sim card, I sometimes got decent speeds (~4mbps) and sometimes it wouldnt connect. When I got the new sim card, the speedtest gave me 4 kbps.. about 10 miles away from here I got 5 mbps.
So the old sim card behaved exactly as the new one =/
I never had this problem with the G2, though. And I would get speeds up to 20 mbps on the same network..
So this is still very upsetting and confusing
Click to expand...
Click to collapse
It isn't even possible for the G2 to reach speeds that high..
Sent from my Nexus 4 using Tapatalk 2
[email protected] said:
well.. I got my new sim card last night and realized that the speeds have nothing to do with my sim card, but probably with the local tower. before i got the new sim card, I sometimes got decent speeds (~4mbps) and sometimes it wouldnt connect. When I got the new sim card, the speedtest gave me 4 kbps.. about 10 miles away from here I got 5 mbps.
So the old sim card behaved exactly as the new one =/
I never had this problem with the G2, though. And I would get speeds up to 20 mbps on the same network..
So this is still very upsetting and confusing
Click to expand...
Click to collapse
same happened to me, its because they've been refarming their 3g network towers. just call T-Mobile customer service and tell them your 3g/4g data isn't working anymore and tell them the address where its not working and they'll fix it. it took a couple days
Sent from my Nexus 4 using xda app-developers app
hmm, data service is fine here. getting around 12-14 down and 1 up...
if its not the sim and your APN seems fine, try contacting Tmo and see if its on thier end. If not maybe its simply a defected device =/
I cut my SGSII simcard and it works perfectly, it is because of the G2 using an older version simcard.
Cut my SIM card they gave me earlier this year when I switched from AT&T with my Galaxy Nexus. Also works fine. Also, you shouldn't have to mess with the APN settings. At all. Should do it automatically.

Lte/3g dropping issue fix

For those that have LTE/3G dropping issues I believe i have found a fix.
There appears to be something wrong with the sim card that comes with the note 4... my connection would drop lte and 3g a lot...so I tried another sim card from my S4 and the connection did not drop no more!
A few days later I had to get a replacement phone because I noticed a few dead pixels. When I received it..it had the same connection dropping issues with the sim card that came with the phone. So once again I popped in the S4 sim card and the connection was good again!
I have the black note 4 bought from amazon and in the NYC area. So it might be a bad batch but if you have connection issues try a different sim card!!
kwazytazz said:
For those that have LTE/3G dropping issues I believe i have found a fix.
There appears to be something wrong with the sim card that comes with the note 4... my connection would drop lte and 3g a lot...so I tried another sim card from my S4 and the connection did not drop no more!
A few days later I had to get a replacement phone because I noticed a few dead pixels. When I received it..it had the same connection dropping issues with the sim card that came with the phone. So once again I popped in the S4 sim card and the connection was good again!
I have the black note 4 bought from amazon and in the NYC area. So it might be a bad batch but if you have connection issues try a different sim card!!
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U cant
Sent from my SM-N910P using XDA Premium HD app
pbedard said:
U cant
Sent from my SM-N910P using XDA Premium HD app
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Can't what?
reason why is when you are activating. you are not entering in the new sim. old sim is still activated in the network.
Sent from NOTE QUATRO
00_MACKIE_00 said:
reason why is when you are activating. you are not entering in the new sim. old sim is still activated in the network.
Sent from NOTE QUATRO
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When activating it asks for the sim information.... I used a sim from a deactivated phone that was not on my account and it fixed my connection dropping issues.
kwazytazz said:
When activating it asks for the sim information.... I used a sim from a deactivated phone that was not on my account and it fixed my connection dropping issues.
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That sucks. I don't have a spare sim. Which means I gotta go ask for one lol.
DarkManX4lf said:
That sucks. I don't have a spare sim. Which means I gotta go ask for one lol.
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Try to go to a sprint repair store they should have a bunch. good luck! Had a friend who has the same issue with his note 4 too and he popped in his old sim card and it works without connection issues
I apologize if this is the wrong place for this question, I have had pretty much 1 bar of signal on both mine and my wife's Note 4 since we activated them less than a month ago. i just ran a speed test and the average download speed was 21.57 Mbps - is this good or not?
Thanks
tat2me2 said:
I apologize if this is the wrong place for this question, I have had pretty much 1 bar of signal on both mine and my wife's Note 4 since we activated them less than a month ago. i just ran a speed test and the average download speed was 21.57 Mbps - is this good or not?
Thanks
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Click to collapse
Yes that's pretty good.
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Hit the thanks button if I was helpful!
Sent from Sprint Note 4
kwazytazz said:
Try to go to a sprint repair store they should have a bunch. good luck! Had a friend who has the same issue with his note 4 too and he popped in his old sim card and it works without connection issues
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Click to collapse
I went to a sprint store and was told that they don't have any loose sim cards for the Note 4 and it only comes with the phone.
They tried to make me believe the sim card for the Note 4 is different than what's used on S5 or note 3....
I'll try to call sprint and see what I can get.
tat2me2 said:
I apologize if this is the wrong place for this question, I have had pretty much 1 bar of signal on both mine and my wife's Note 4 since we activated them less than a month ago. i just ran a speed test and the average download speed was 21.57 Mbps - is this good or not?
Thanks
Click to expand...
Click to collapse
The bars are wrong for one. Use Signal Check lite or pro to see what is really going on.
If you are given a hard time about a new SIM, just tell them that you are buying a Nexus 5 on Googe's website and you need a SIM.. assuming that takes the same size
tat2me2 said:
I apologize if this is the wrong place for this question, I have had pretty much 1 bar of signal on both mine and my wife's Note 4 since we activated them less than a month ago. i just ran a speed test and the average download speed was 21.57 Mbps - is this good or not?
Thanks
Click to expand...
Click to collapse
I TOO..get very little bars on my connection.. 90%of the times.. I barely get 1 bar.. rarely do I get a full scale bar.
Im in St Louis...
Is there anything I can do?? thanks alot!
I dont get it what does the sim have to do with the operation of the radio constantly to different bands. Seems more to me like the tower selection algorithms are flawed to me and I doubt those algos are on a sim. Maybe chosing the sim from the other phone is forcing you onto the older lte network. Are you getting on any of the new bands?
Sent from my SM-N910P using XDA Free mobile app
dmisselh said:
I dont get it what does the sim have to do with the operation of the radio constantly to different bands. Seems more to me like the tower selection algorithms are flawed to me and I doubt those algos are on a sim. Maybe chosing the sim from the other phone is forcing you onto the older lte network. Are you getting on any of the new bands?
Sent from my SM-N910P using XDA Free mobile app
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The sim handles lte connection. Without the sim the phone will only connect to 3g and 1x.
Yes I'm connecting to all 3 bands wherever available. Before swapping out the sim card it would drop connection to 3g and even when on 3g it would lose connection to no signal and connect back to 3g.
There would be times it would connect to b41 but if it goes idle for a few seconds the connection will drop to 3g. This has been my experience with 3 note 4s that I received from amazon. Each after replacing the sim card will fix the connection issue.
I may have gotten a bad batch of sim cards..who knows but the areas I frequent with my nexus 5 all had strong b41 signals in the NYC market. So I know it's not my area that's the problem.
I took my N4 to a Sprint service center yesterday. The ran a speed test and it got 15 up and own. Of course we know they have a booster on site so all phones work great in the store. I showed them the speed records of nothing over 2 for the last week regardless of location and they then took the phone back to one of the techs. not realizing I was paying attention the rep handed the phone through the window to the tech but never actually let go of it. Came back about three minutes later and said yeah the tech says the phone is fine. So then he goes to a terminal and asks for my ZIP. I give it and he types it in does a few mouse clicks and a few facial expressions like he is discovering the issue. Then tells me they are converting the towers in my area from 3G to 4G and I should see my speeds come up in six months. Yep six months.
So I said ok that covers you for my area at home in North Dallas but what about where I work in Southlake? Of they are doing the same there as well.
So I got brushed of by Sprint and still have a slow phone. Asked for an old SIM and they said due to security all unused SIMS are destroyed.
Solarenemy68 said:
I took my N4 to a Sprint service center yesterday. The ran a speed test and it got 15 up and own. Of course we know they have a booster on site so all phones work great in the store. I showed them the speed records of nothing over 2 for the last week regardless of location and they then took the phone back to one of the techs. not realizing I was paying attention the rep handed the phone through the window to the tech but never actually let go of it. Came back about three minutes later and said yeah the tech says the phone is fine. So then he goes to a terminal and asks for my ZIP. I give it and he types it in does a few mouse clicks and a few facial expressions like he is discovering the issue. Then tells me they are converting the towers in my area from 3G to 4G and I should see my speeds come up in six months. Yep six months.
So I said ok that covers you for my area at home in North Dallas but what about where I work in Southlake? Of they are doing the same there as well.
So I got brushed of by Sprint and still have a slow phone. Asked for an old SIM and they said due to security all unused SIMS are destroyed.
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Click to collapse
I believe there's a international chat or something that you can request a sim from...when the nexus 5 came out that was how people were able to obtain Sims from. Just need to tell them you need a sim card for a Google purchased nexus 5
I had some hope and tried the Sim card trick. My S4 had 4G_LTE almost every location I used it in for over a year, and once on lte it never dropped to 3G... Data speed was 5 to 10 MEG. My note 4 for the last 30 days is probably 75% on 3G, 1/4 to 1 Meg download and almost nonexistent upload speed. When it sometimes does connect to 4G it will soon drop to 3G. Funny thing my daughter also has the note 4, and when she comes to my house she will be on 4G the whole time. While mine goes from 4 to mostly 3G.
I powered off both phones and put my s4 Sim into the note 4. Powered it on and the 3g icon kept spinning. Finally a self service app came on and said to call Sprint to be able to use data, (I'm assuming), there was an option to reset cell data and I clicked that. The phone then did a self activation, updated prl and profile while it rebooted a couple times.
Old s4 sim always getting strong 4G lte in my S4 was now providing strong 3G only in my new note 4.
OK, power off and switch the Sims back to there original phone. Now I am back to occasionally seeing 4 G, as before now I am usually on slow 3G.
I will now call Sprint and exchange the phone if necessary. I have unlimited data too. I can't wait to access it on this phone.
Excuse portions of this that seem to be rant... They are [emoji12]
pcmanager said:
I had some hope and tried the Sim card trick. My S4 had 4G_LTE almost every location I used it in for over a year, and once on lte it never dropped to 3G... Data speed was 5 to 10 MEG. My note 4 for the last 30 days is probably 75% on 3G, 1/4 to 1 Meg download and almost nonexistent upload speed. When it sometimes does connect to 4G it will soon drop to 3G. Funny thing my daughter also has the note 4, and when she comes to my house she will be on 4G the whole time. While mine goes from 4 to mostly 3G.
I powered off both phones and put my s4 Sim into the note 4. Powered it on and the 3g icon kept spinning. Finally a self service app came on and said to call Sprint to be able to use data, (I'm assuming), there was an option to reset cell data and I clicked that. The phone then did a self activation, updated prl and profile while it rebooted a couple times.
Old s4 sim always getting strong 4G lte in my S4 was now providing strong 3G only in my new note 4.
OK, power off and switch the Sims back to there original phone. Now I am back to occasionally seeing 4 G, as before now I am usually on slow 3G.
I will now call Sprint and exchange the phone if necessary. I have unlimited data too. I can't wait to access it on this phone.
Excuse portions of this that seem to be rant... They are [emoji12]
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Did u activate the S4 sim on your note 4 from your account at sprint.com? Because my sim was from my S4 too
kwazytazz said:
Did u activate the S4 sim on your note 4 from your account at sprint.com? Because my sim was from my S4 too
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No I did not activate the S4 Sim on Sprint. Com. A message came up when the phone booted saying call sprint star 2. I selected reset cell data and the phone seemed to be doing a hands free activation, when the phone rebooted it seems like it wanted to go through the same hoops again so maybe the sim was never properly activated like you're stating. I might try that later its just getting to be a pain in the ass trying to make a phone operate the way it should out of the box.
Did you activate your S 4 sim on sprint.com?

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