[Q] Unable to receive receive calls while mobile data is on - T-Mobile, Samsung Galaxy SIII

I am going nuts here I have been searching all over the net and I still have not been able to fix this problem, so I am sorry if this seems like a repeated thread.
I have a Tmobile rooted Samsung Galaxy S III, I was running a nightly Cyanogenmod 10 ROM. Yesterday there was an update for that rom and I downloaded it and installed it, everything was fine and running smoothly until some people started telling me that they were not able to reach me by phone. I tried checking what was wrong and I finally realized that whenever I have my mobile data on or while I am using it I don't receive voice calls. I tried looking everywhere for a way to fix this and I came across the ##DATA# code in which I could turn off the DDTM option but unfortunately my phone doesn't recognize that code.
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this is the message I get every time I try to enter ##3282# code.
I thought that maybe something was wrong with the ROM itself so i decided to browse around here for one for my Tmobile samsung galaxy S 3 and I decided to install this one [ROM][4.2.2][RC1] LiquidSmooth ROMs - d2tmo - 2|14|13
after wiping data/cache and dalvik cache I installed this ROM and this is my current phone info
and still when I am using my mobile data I cant receive calls nor put the ##DATA# code to turn off DDTM.
is there any other way I could access that DDTM option? I am so frustrated or maybe I am doing something wrong.. I do admit I am no pro at this.
it seems that no matter what ROM I use that option to send calls to voicemail while on mobile data is stuck!!!
I tried downloading the stock ROM from Tmobile and flash it with Odin but every time I tried to do this the process would be stuck at aboot.mbn.
This is driving me crazy, everything works fine on my phone except for that, I cant receive calls if I use my internet, I am afraid of using it because I might lose some important calls.
Please if any of you could help me I will be greatly appreciated. Thanks in advance

Weird. Try updating your modem to LJC.
http://db.tt/MyKIQ16Y
MMI codes don't work on AOSP.

This is a known issue for all smartphones....u cant use phone while data network is being used. If u have an application using ur data in the background u wont b able to receive calls....

russeini said:
This is a known issue for all smartphones....u cant use phone while data network is being used. If u have an application using ur data in the background u wont b able to receive calls....
Click to expand...
Click to collapse
I've never had this problem with my phone until now. I would be browsing the net and get an incoming call, now my phone never rings unless the internet is off. It is annoying and I cant find a good fix for this, I am going insane,

Check your IMEI. You can use cell data and phone calls on GSM which is T-Mobile, only HSPA though, not on edge. You cannot on CDMA like Verizon on any cell network. I say check your IMEI cause you might only have edge network due to the loss of your IMEI while flashing.

mt3g said:
Check your IMEI. You can use cell data and phone calls on GSM which is T-Mobile, only HSPA though, not on edge. You cannot on CDMA like Verizon on any cell network. I say check your IMEI cause you might only have edge network due to the loss of your IMEI while flashing.
Click to expand...
Click to collapse
thanx, I did check my IMEI and it was 0 so I changed it back to mine and that did the trick!!

Related

Unlocked Sony Arc Hotspot not working

Hey there everyone
first time post on this forum. Hopefully someone can give me some good news on how to fix my problem.
I am on the Fido network in Vancouver, BC. I recently bought a Sony Arc from Rogers and had it unlocked. Everything on the phone works great, but I cannot get my mobile hotspot to work. Wifi, GPS, email, etc. all work fine.
I had read somewhere that I might have to change my APN settings, but when I did that, flash turned off on my web browser - maybe I had put in the wrong setting.
Then I also read that you have to change your WAP settings, but I don't know where to find that.
Hopefully someone here can give me some good news on how to fix this bug. I did phone both Fido and Rogers and they said that it should work and that nothing is blocked on my account.
Would really appreciate some feedback and some help with thanks. Thanks in advance.
Hotspot Wifi Tethering?? as in...
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Nothing to do with you're APN's etc if that' not working... if you're getting a data connection (GPRS/ 3G/ HSDPA) then this should work fine...
if it's not then suggest trying to reflash the firmware using SEUS or Flashtool.
jagdutt said:
Hey there everyone
first time post on this forum. Hopefully someone can give me some good news on how to fix my problem.
I am on the Fido network in Vancouver, BC. I recently bought a Sony Arc from Rogers and had it unlocked. Everything on the phone works great, but I cannot get my mobile hotspot to work. Wifi, GPS, email, etc. all work fine.
I had read somewhere that I might have to change my APN settings, but when I did that, flash turned off on my web browser - maybe I had put in the wrong setting.
Then I also read that you have to change your WAP settings, but I don't know where to find that.
Hopefully someone here can give me some good news on how to fix this bug. I did phone both Fido and Rogers and they said that it should work and that nothing is blocked on my account.
Would really appreciate some feedback and some help with thanks. Thanks in advance.
Click to expand...
Click to collapse
Weird. Most of that doesn't make sense. Adobe Flash is unaffected by APN settings. Unlocking has nothing to do with 3G either.
A quick Google search turns up:
APN Settings for Fido: http://forums.fido.ca/t5/forums/forumtopicpage/board-id/Smartphones/thread-id/768/page/1
Like im_iceman said, if 3G works, hotspot should also.
Have you set the password? SSID? etc.?
Hotspot works fine on my arc. And X10.
Portable Hotspot Doesn't Work For Me Either
I purchased an Xperia ARC from Mobicity in Australia. In order to work on the NextG 850 MHz network I purchased the Model LT15a which is described at dudubdub.xperiablog.net/2011/04/17/xperia-arc-lt15a-sold-on-ebay/ (replace dubdubdub with www). This is built for and branded Rogers. If I switch on Portable Wi-Fi hotspot it works so that I can connect my laptop to it but turns off my data connection so it is useless. If I turn the hotspot off the data connection comes back on. I can't have the data connection and the wi-fi hotspot on at the same time.
I've interpreted this as a Rogers special build that doesn't allow tethering to satisfy Rogers commercial requirements. Telcos in Australia don't mind tethering but some others do and I guess Rogers is one of them. Its a guess though because I don't know Rogers policies.
Sounds like Rogers have added some power saving app, and this is automatically disabling your data connection when WiFi is on (JuiceDefender does this I think, but might be intelligent enough to notice when you're using the phone as a hotspot - I've not tried yet).
If that's the case, you'll either need to track down the app and remove it (there's a guide on here somewhere for removing pre-installed system apps) or flash your phone with more generic firmware that doesn't have it.

G710PM apn locked/greyed out

Evening all.
Forgive new if this has been asked, but i wasn't able to find any results when searching.
Seems I've joined ranks off a duped eBay shopper. Ordered a G710ULM, turns out it was a G710PM..... "Issue with title" riiight. It's GSM unlocked for all GSM carriers, but the APN setting is locked. And fails to register. Seller is willing to refund, but if i can get into the APN settings and configure for cricket, I won't care if it's from Sprint.
Any solutions, or should i refund and look for a non-Sprint version?
Thanks.
Really what i am looking for is someone to confirm they have an unlocked G710PM phone, not just SIM unlocked, and are able to add the correct APN settings for their carrier.
Thanks
*#546368#*710#---Field Test---Modem Settings---PDP Setting---[5]APN Setting
Thanks I'll give that a shot and see what happens
Ussd code running.....connection problem or invalid mom code.
Using ##3282# gets me into some settings, but no service code, no edit. I'm guessing UICC unlock is not the same as being "unlocked". Any firmware or software changes when using an unlock service?
I have the same problem.
Just bought it. Seller showed me the phone with a Cricket SIM and it work on calls, text and data.
Manage to connect to MetroPCS network but just calls and texts.
APN settings are greyed out. No way to enter a new one.
I have the G710EM and while I can add new APNs, I can't get rid of the now obsolete one that the phone took from my SIM card when I first fired it up. I've had LG phones before and been able to delete unwanted APNs but with this one, the fields are all greyed out. Is this not the region lock, where you have to put in an European SIM on first use?
I have searched the internet high and low for a solution to this issue. and have gotten nowhere. I gave my sprint g7 unlocked to a friend who is using straight talk. calling texting and data work. but no LTE. this is the same for any phone i give her and all she has to do is change the APN and everything works flawlessly. unfortunately on this phone, it wont let her add or edit an APN. Does anyone have any kind of update on this?
I just purchased the LG G7 ThinQ model LG-G710PM for $164. Same issue with the APN being greyed-out. Won't fully work with my Consumer Cellular SIM (only for text and calls, but no data). I'm wondering if it will work if I change the carrier to T-Mobile?
Hi,
I created an account just to help out with this problem, go to google app store and install an app called AddAPN. when u do, open it, enter the required settings and save, then restart your phone n walllaaaaah,
You are all set to use your device
Let it be Christmas everywhere
Merry Christmas
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SwamiXXX said:
I just purchased the LG G7 ThinQ model LG-G710PM for $164. Same issue with the APN being greyed-out. Won't fully work with my Consumer Cellular SIM (only for text and calls, but no data). I'm wondering if it will work if I change the carrier to T-Mobile?
Click to expand...
Click to collapse
Just read my recent thread and you will be good
Blitzo_14 said:
Hi,
I created an account just to help out with this problem, go to google app store and install an app called AddAPN. when u do, open it, enter the required settings and save, then restart your phone n walllaaaaah,
You are all set to use your device
Let it be Christmas everywhere
Merry Christmas
View attachment 5166401
Click to expand...
Click to collapse
Holy cow! I've been through major hell with the APN issue for months now and no major carrier would support the G710PM according to the IMEI compatibility check. Thank you very much! Happy New Year!!! You've saved the day!
i got a solution for u
Blitzo_14 said:
i got a solution for u
Click to expand...
Click to collapse
The AddAPN worked after a few attempts when I finally entered/saved the specific APN info for my phone plan. I am now able to keep my great phone and my carrier. Imagine the complications I went through with the disabled APN screen and for months no tech person could tell me how to get around it. Now this bad-assed LG G7 ThinQ can access data! Thanks again!
u welcome
Blitzo_14 said:
Hi,
I created an account just to help out with this problem, go to google app store and install an app called AddAPN. when u do, open it, enter the required settings and save, then restart your phone n walllaaaaah,
You are all set to use your device
Let it be Christmas everywhere
Merry Christmas
View attachment 5166401
Click to expand...
Click to collapse
Guy you have really of great help to me thanks very much Happay New Year
Blitzo, thank you! Yesterday I transferred my PagePlus cell number from a Samsung Galaxy Note 8 to the Note 20 5G Ultra. I haven't been able to get around the "ungreying" the APN settings until now due to your help! I still don't have mobile data, but at least I am closer to the solution!!

Trouble with sim cards LG G7 dualsim

The problem with the phone in those cases:
1. You can not always hang up
2. It is not always possible to pick up the phone.
3. Both SIM cards are cut down as if they are not there.
All this happens arbitrarily, sometimes it works correctly, sometimes not. Very frustrating
LG G7 + Phone (LM-G710EAW)
According to the recommendations on the forum, I stitched the firmware for the CIS, successfully, the recording of calls and Russian letters to the dialer appeared pleasantly. From the unpleasant - instead of the level of the signal of the network with chopsticks, the triangles are non-standard and before that you could see which type of network 2g 3g H H+ and now it’s not visible only when internet is active.
Well, I think, okay, but it will work correctly ....
And it was not there - I can’t put the phone down and the cards disappear as they disappeared.
While writing this message already appeared ... Themselves ...
This is a complete fail for such a flagship level.
Does anyone have a solution, advice on what to do?
I really do not want to sell the device ... He has only a month
Used with Ukrainian networks
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Will be very thankfull if someone helps.:crying:
I can`t use my device normally, I even don`t know if someone calls me, because it doesn't respond
I saved logs when this device lost its sim cards
Here`s I made a screenshots that can tell detailed information about my device.
Does your LG G7 Dual SIM has WIFI calling?
I can reproduce the similar issue, started happening since jan 10.
When set on 4g, calling issue is persistent, setting it 2G only mode solves the issue.
I am using single sim only.
chompx2 said:
Does your LG G7 Dual SIM has WIFI calling?
Click to expand...
Click to collapse
Technically - yes.
In my case - no, wifi calling is don't active in Ukraine.
thalada said:
I can reproduce the similar issue, started happening since jan 10.
When set on 4g, calling issue is persistent, setting it 2G only mode solves the issue.
I am using single sim only.
Click to expand...
Click to collapse
The main thing is that sim cards are disappear. You can see it in screenshots that I've posted.
Any ideas what to do?
Slaiderr said:
Technically - yes.
In my case - no, wifi calling is don't active in Ukraine.
Click to expand...
Click to collapse
Thank you for the answer. I just recieved my LG G7 from Google and liking it so far. I have a Samsung S8+ duos but the S8+ duos does not support WIFI calling. I am thinking of getting a dual SIM LG G7. If the dual SIM LG G7 does not support WIFI calling, that would not be an upgrade for me. Thanks again.
That`s nice that help you with smth, but I really need to resolve my problem.... It`s so sad.... to see yoour phone without any cannectivity...and lost incomes

How to prevent XZ2 Compact from using VoLTE ?

Hi. I have a XZ2 Compact since a couple of weeks. My contract (Congstar, using german T-Mobile network) includes 4G for data, but only 2G/3G for calls. So the phone should change to 2G/3G mode if I call someone or someone call me. Sadly it only does, if there is 4G coverage at the beginning of the call. If there is only 2G/3G coverage at all I can't call anyone. So the phone always try to use VoLTE first before the network force it to use GSM for calls.
How can I force the phone to avoid VoLTE at all? I know there should be a option for this in the connections menu, but it's just not there. I tried a hard reset and I also flashed another firmware which I downloaded with XperiFirm. At the moment I have 52.0.A.8.50 installed.
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v0ujiemq said:
Hi. I have a XZ2 Compact since a couple of weeks. My contract (Congstar, using german T-Mobile network) includes 4G for data, but only 2G/3G for calls. So the phone should change to 2G/3G mode if I call someone or someone call me. Sadly it only does, if there is 4G coverage at the beginning of the call. If there is only 2G/3G coverage at all I can't call anyone. So the phone always try to use VoLTE first before the network force it to use GSM for calls.
How can I force the phone to avoid VoLTE at all? I know there should be a option for this in the connections menu, but it's just not there. I tried a hard reset and I also flashed another firmware which I downloaded with XperiFirm. At the moment I have 52.0.A.8.50 installed.
Click to expand...
Click to collapse
Usually no button means no support
I would ask the Sony support about this problem.
It may be a software bug.
So there is no quick solution? I would like to use my phone without waiting for a bugfix And I'm pretty sure I'm not the only user of this phone in germany and this "LTE only for data" sim card are pretty common here.
v0ujiemq said:
So there is no quick solution? I would like to use my phone without waiting for a bugfix And I'm pretty sure I'm not the only user of this phone in germany and this "LTE only for data" sim card are pretty common here.
Click to expand...
Click to collapse
I am a German user too, but with O2.
It's working here without any problems.
Like VoWIFI
MartinX3 said:
I am a German user too, but with O2.
It's working here without any problems.
Like VoWIFI
Click to expand...
Click to collapse
As you maybe know, O2 support VoLTE and Wifi Calling for all customers, also for reseller like blau, ay yildiz etc.
T-Mobile and Vodafone only allow VoLTE and Wifi Calling for their own customers, not for reseller like Congstar, Otelo etc.
v0ujiemq said:
As you maybe know, O2 support VoLTE and Wifi Calling for all customers, also for reseller like blau, ay yildiz etc.
T-Mobile and Vodafone only allow VoLTE and Wifi Calling for their own customers, not for reseller like Congstar, Otelo etc.
Click to expand...
Click to collapse
So I would ask the sony support, if it won't show a disable button.
Or use a SODP based custom rom. (Here VoLTE and VoWIFI is on the todo list).
Maybe one of the many listed adb props helps you, too.
http://bfy.tw/ONWv
But that would be just a forced disabling via ADB.
Not fixing the root cause of the issue.
Sony answered very fast, but just said I should contact my network provider. Well, useless as they only care about devices customers bought directly from them and not on the free market.

Mobile network is not available. Connect to a wireless network to make a call

When I try to make a call, this is the message that pops up. Data is working. LTE is connecting. I'm on Tmobile. I went in to the phone settings via *#*#4636#*#* to check the network and it's on TD-SCDMA/CDMA/UMTS. I went to the network settings and reset the sim data network settings and that was what it was reset to. I thought it would be GSM/Auto but that didn't fix it either. Under Voice Serivice it says "Emergency Calls Only". Voice Network type: "Unknown". Is this a SIM card problem or did I mess something up in the settings? I flashed back to stock oxygen and while the phone was downloading the update, I was actually able to call my voicemail. But as soon as I hang up, the message in the title popped back up again. Help if you can.
abadasstanker69 said:
When I try to make a call, this is the message that pops up. Data is working. LTE is connecting. I'm on Tmobile. I went in to the phone settings via *#*#4636#*#* to check the network and it's on TD-SCDMA/CDMA/UMTS. I went to the network settings and reset the sim data network settings and that was what it was reset to. I thought it would be GSM/Auto but that didn't fix it either. Under Voice Serivice it says "Emergency Calls Only". Voice Network type: "Unknown". Is this a SIM card problem or did I mess something up in the settings? I flashed back to stock oxygen and while the phone was downloading the update, I was actually able to call my voicemail. But as soon as I hang up, the message in the title popped back up again. Help if you can.
Click to expand...
Click to collapse
I was experiencing data issues too today. Finally found out that there are outages going on all over. So it's nothing on your end. Just got to wait it out I guess.
https://www.androidpolice.com/2020/06/15/network-outage-affecting-t-mobile-att-and-verizon-reported/
I see. I checked my wife's phone and noticed she had more options than I do for "Set Preferred Network Type". Her's actually has an option for GSM/LTE/CDMA/UTMS and some other options I can't see because it runs off the screen. She is not unlocked and still on stock Tmobile Firmware. I have converted mine to Global so I'm assuming this is the reason for the difference. However, she is still able to text but her phone is inoperable as is mine. I'm assuming it's due to the outage you posted. Thanks for the response. I still find it odd that we don't have the same network settings but it's never been a problem before today so I'll just wait it out and see what happens!
Could be a Magisk module causing it
abadasstanker69 said:
When I try to make a call, this is the message that pops up. Data is working. LTE is connecting. I'm on Tmobile. I went in to the phone settings via *#*#4636#*#* to check the network and it's on TD-SCDMA/CDMA/UMTS. I went to the network settings and reset the sim data network settings and that was what it was reset to. I thought it would be GSM/Auto but that didn't fix it either. Under Voice Serivice it says "Emergency Calls Only". Voice Network type: "Unknown". Is this a SIM card problem or did I mess something up in the settings? I flashed back to stock oxygen and while the phone was downloading the update, I was actually able to call my voicemail. But as soon as I hang up, the message in the title popped back up again. Help if you can.
Click to expand...
Click to collapse
Could be a Magisk module causing it - I had this problem on 2 different phone with 2 different providers and when I deleted all Magisk modules, it worked again.
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This was all due to the TMobile outage. Everything is working perfectly now. Thanks for the help

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