4G not working at all / 3G not fully working - JiaYu S3 Questions & Answers

Hi guys,
So when I was at Portugal, my JY S3, was working perfectly at 3G & 4G.
For professional reason, I had to move to Switzerland, near Lausenne.
According to them, they have coverage around 97/98% of the country with 3G, and around 90% for 4G. By the way, I bought Swisscom card and it supports 4G speeds.
But my phone, was never connected at 4G. And 3G only on some places.
I've checked the band modes on the phone, and my question is, if I can activate more bands?
I have the latest MadOS, 7.1.2, and I read somewhere that the Engineering mode is not working anymore.
According to this website, the phone is fully compatible with the Swisscom frequencies.
https://www.frequencycheck.com/carrier-compatibility/nEx24/swisscom-switzerland/devices?utf8=%E2%9C%93&q%5Bfull_name_cont%5D=jiayu+s3&q%5Bdevice_brand_id_eq%5D=&commit=Search
Can anyone help me?
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Did you checked your apn settings?
Enviado do meu S3 através de Tapatalk

Pirex69 said:
Did you checked your apn settings?
Enviado do meu S3 através de Tapatalk
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Hi,
Yes I've checked the apn settings, and have confirmed against the ones from the Swisscom page, everything is the same.
Later on, I have found this website, which has the frequencies used by the carriers, and it has an option to check the compatibility of a mobile phone, and curious, the S3 is fully compatible.
https://www.frequencycheck.com/carrier-compatibility/nEx24/swisscom-switzerland/devices?utf8=%E2%9C%93&q%5Bfull_name_cont%5D=jiayu+s3&q%5Bdevice_brand_id_eq%5D=&commit=Search
I'm wondering that, actually, the fault is the operator that "forgot" to enable something.
I probably, will pass to a Swisscom store, to check.
Thanks anyway

CAATS said:
Hi,
Yes I've checked the apn settings, and have confirmed against the ones from the Swisscom page, everything is the same.
Later on, I have found this website, which has the frequencies used by the carriers, and it has an option to check the compatibility of a mobile phone, and curious, the S3 is fully compatible.
https://www.frequencycheck.com/carr...jiayu+s3&q[device_brand_id_eq]=&commit=Search
I'm wondering that, actually, the fault is the operator that "forgot" to enable something.
I probably, will pass to a Swisscom store, to check.
Thanks anyway
Click to expand...
Click to collapse
There is a setting under mobile network. Prefered network type. Change to LTE
Enviado do meu SM-J500FN através de Tapatalk

Related

Toggle 3g/2g

Hey guys,
I have been looking several days for an option to toggle 3g <-> 2g but it simply isn't there where it supposed to be.
After discovering this article I'm wondering why this feature is missing in all wp7 samsung devices.
I really miss this option because I get at home barely 1 bar on 3g and thats not very good for the battery.
I thought that OEMs aren't allowed to customize the os on this level but why is this option not visible ?
Regards
I always thought that this option has been disabled by my provider because "3" doesn't have 2G at all. All GSM data is transferred via Roaming with A1 mobilkom.
Don't know, I've realised that my Omnia7 doesn't have this option but I don't miss it though.
worth a ponder
skycamefalling said:
I always thought that this option has been disabled by my provider because "3" doesn't have 2G at all. All GSM data is transferred via Roaming with A1 mobilkom.
Don't know, I've realised that my Omnia7 doesn't have this option but I don't miss it though.
Click to expand...
Click to collapse
My boyfriend's Trophy has the 3g toggle located in settings. He's using vodafone. My omnia however is missing the feature. HTC vs samsung or carrier difference?
According to Orange it is missing on all Omnia 7s as it's missing from the Samsung software.
Thanks for your answers but nevertheless I'd like to hear why samsung did exclude this feature on their wp7 phones because I couldn't barely find any information about it on the internet.
It's incomprehensible and there we see that samsung failed once again with "their" software. Toggle 2g is an option that I really won't miss specially in areas where I have bad signal. I'm going to contact samsung to see what they say about it.
Regards
m8tix said:
I'm going to contact samsung to see what they say about it.
Click to expand...
Click to collapse
Would be interesting to know, but don't get your hopes high...I cannot remember any time Samsung answered a support question for me
My Omnia 7 has this setting. I have a 16 GB device from T-Mobile Germany running on o2.
My Omnia 7 also has this setting (Optus stock [unlocked] 8GB version).
Settings > Mobile Network
What I LOVE about these settings is that whenever my phone tries to access the internet and 3GB/Data is turned OFF, it won't force it on. Infact, unless you have Wi-Fi turned on, it will just say it's unable to access a data connection.
More than I can say for Windows Mobile, which always turned it on no matter what you told it to do.
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Thanks, guys
So it's not Samsung's idea but, more likely, our provider's idea to cut this setting.

T-Mobile service menu access... (PLEASE LOOK AT PICTURES)

So i just found out from another thread "http://forum.xda-developers.com/showthread.php?p=11088696" that we can access the tabs service menu with the the following code (*#*#197328640#*#*). Now this is a LONG shot but here it goes, for all of those with more technical knowledge than myself, would it be possible to set the tab with Voice+3G using a T-Mobile sim through this menu or no? Just wondering but i am sure i will get bashed for this.
I tried that! The menu has the choices we want, but they don't do anything. I'm sorry you got nervous to post that idea! I wish it worked. Did you try it yet?
rangercaptain said:
I tried that! The menu has the choices we want, but they don't do anything. I'm sorry you got nervous to post that idea! I wish it worked. Did you try it yet?
Click to expand...
Click to collapse
I was just messing around with the sound settings, i would not know where to look to make it possible to have voice+3g.
Sent from my GT-P1000 using XDA App
adinis78 said:
I was just messing around with the sound settings, i would not know where to look to make it possible to have voice+3g.
Click to expand...
Click to collapse
*#2263# gets you to the frequencies. Try it, but write down what you try, and what modem and carrier you have. Good Luck.
rangercaptain said:
*#2263# gets you to the frequencies. Try it, but write down what you try, and what modem and carrier you have. Good Luck.
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no luck...
just noticed something interesting:
this picture shows all the bands while on voice+edge using Roto's modem switch:
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and this picture shows all the bands while only on 3g using Roto's modem switch:
now clearly while on 3g the is an extra band, WCDMA 1700(FDD IV) , and it does not show up while on Voice+edge does this mean anything? i wished someone with technical knowledge regarding this would chime in....
sorry for the way the pictures are layed out.
Well that confirms what we all have experienced. The modem in use that allows voice calls to be made does not have theT-Mobile 3g Bands( Band IV/ AWS/1700). The original T-mobile modem does allow 3G access but does not allow voice. How we combine the two is the challenge.
swordsaint_ss said:
Well that confirms what we all have experienced. The modem in use that allows voice calls to be made does not have theT-Mobile 3g Bands( Band IV/ AWS/1700). The original T-mobile modem does allow 3G access but does not allow voice. How we combine the two is the challenge.
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well i hope this brings us one step closer to figuring it out.

S3 LTE battery drain FIX

Hey guys i have seen alot of you complaining about LTE draining your s3 battery... well here is app thats going to fix that.
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https://play.google.com/store/apps/details?id=de.mangelow.network
s3 already has this option built in?
settings > more settings > Mobile networks > network mode
we ATT people doesn't have that option built in
nismax said:
Hey guys i have seen alot of you complaining about LTE draining your s3 battery... well here is app thats going to fix that.
If i helped you then you come back and hit thanks button for me.
https://play.google.com/store/apps/details?id=de.mangelow.network
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I downloaded you app but am not able to change the preferred network. I can't get it to switch away from LTE. I am on AT&T.
Sent from my SAMSUNG-SGH-I747 using xda premium
sorry bro I did NOT make this app, and i am sorry to hear that. It always worked for me on sg 2 i am waiting on s3 to be here tomorrow.
ATT GS3 here ,this app doesnt work , there is no option for GSM , all options are some form of LTE.
Phone Info app is available in Play Store. MUST turn Radio off 1st
ghost77 said:
ATT GS3 here ,this app doesnt work , there is no option for GSM , all options are some form of LTE.
Click to expand...
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The Phone Info app is available in the Play Store.
You must first turn off Radio using the button below the Network options. Then you can select a different Radio Network. Hope this helps.
Chriseckeard said:
The Phone Info app is available in the Play Store.
You must first turn off Radio using the button below the Network options. Then you can select a different Radio Network. Hope this helps.
Click to expand...
Click to collapse
That makes no difference , as i said in my post
there is no option for GSM , all options are some form of LTE.
Click to expand...
Click to collapse
probably hard coded. Tried on stock rom and moded rom, based on stock.

G900F - Voice HD - AMR-wb

Hello guys!
I've been looking around for this but I can't get a clue on it.
Is there anyway to confirm if amr-wb is on? My csc has the flags and the operator supports it, but I can't be sure if it's working.
On previous phones (like the S4) the service menu *#0011#* works but on the S5, after inserting the number 1 it takes takes me nowhere.
Thanks for your tips!
I too am interested. Any ideas?
Sent from my SM-G900F using Tapatalk
AMoosa said:
I too am interested. Any ideas?
Sent from my SM-G900F using Tapatalk
Click to expand...
Click to collapse
Hi!
I think that it works well on three uk, check it using *#0011# you should see AMR-WB xx.xKb/s. Usualy it only shows up when on hsdpa (H+ network).
Say something!
Mouxy said:
Hi!
I think that it works well on three uk, check it using *#0011# you should see AMR-WB xx.xKb/s. Usualy it only shows up when on hsdpa (H+ network).
Say something!
Click to expand...
Click to collapse
I'm with Three UK and when i use that code (Service Mode) i see no mention of AMR-WB. Speech version is showing as FR FR FR and occasionally below that it shows AMR Undef but it keeps appearing and disappearing. I've been trying to figure out for ages about the HD Voice as when i call my friend who also has a S5 and is with Three, it definately doesn't sound like HD voice quality like it did on my S3.
Today I found this (here in Portugal)
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But I'm flying to the UK today and I'll check that on 3.
Did you check your phone when in the UK?
Right now I'm the UK and both me and my wife have AMR-WB in 3 network...
I'm having exactly the same problem in Portugal with Vodafone... A friend have HD Voice and I don't have... It's somehow related to the SIM Card, or network profile I guess...
Mouxy said:
Right now I'm the UK and both me and my wife have AMR-WB in 3 network...
I'm having exactly the same problem in Portugal with Vodafone... A friend have HD Voice and I don't have... It's somehow related to the SIM Card, or network profile I guess...
Click to expand...
Click to collapse
When you call your wife does it display a HD symbol on the screen to indicate HD voice?
No, it doesn't... I never saw that symbol even on other phones... But I can tell you that we can ear the difference on the conversation.
Mouxy said:
No, it doesn't... I never saw that symbol even on other phones... But I can tell you that we can ear the difference on the conversation.
Click to expand...
Click to collapse
Cheers. Maybe it's just me then but it certainly doesn't sound HD voice when im calling and if it is then its nowhere near as good as it was on the S3. Reason i asked about the HD symbol is when i was googling i came across a few reports of t-mobile users who stated that when they were using HD voice, there was a HD symbol on the screen indicating it was on. If this is true it would seem strange that it shows for some networks and not others.

[VIDEO] Non-Verizon Nexus 6 VoLTE Working

Make sure you have HD Voice provisioned on your account https://wbillpay.verizonwireless.com/vzw/accountholder/services/displayProductsServices.action click on Manage Your Products, add HD Voice, should provision in ~15min
If you're not seeing Enhanced LTE, dial *#*#4636#*#*, phone information, scroll to turn on VoLTE flag, restart device or put into Airplane Mode
Now go to Settings ---> More ---> Cellular Networks and Enhanced LTE should now be enabled
WinDroidGuy said:
Make sure you have HD Voice provisioned on your account https://wbillpay.verizonwireless.com/vzw/accountholder/services/displayProductsServices.action click on Manage Your Products, add HD Voice, should provision in ~15min
If you're not seeing Enhanced LTE, dial *#*#4636#*#*, phone information, scroll to turn on VoLTE flag, restart device or put into Airplane Mode
Now go to Settings ---> More ---> Cellular Networks and Enhanced LTE should now be enabled
Click to expand...
Click to collapse
Not working for me.....button in *#*#4636#*#* never changes to anything and I never have option in more settings
I think the key to getting this to work is to be on a 5.1 ROM.... I tried with 5.01 and the new baseband, but I think the settings are in the ROM.
Correct, you need to be on 5.1 for VoLTE
dissapears
i can get it on my phone but as soon as i go to use it i lose lte and then my advance option disappears. could it be possible my sim card doesn't support volte? I had to use a sim from an iphone 5 to get service. I think that sim is different from one that's in a M8 or moto x. Any input would be appreciated.
Edit- got it working by going on Verizon and removing hd voice and the adding it back. SIM card is fine..
Thanks Worked Like a charm. Finally the one major thing I wanted on the N6
Worked for me, but took about 5 - 10 minutes to provision. Thanks!
Worked for me, purchased directly from moto
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Appears to be working for me too.
Now to update the wife's phone and get it going there.

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