Database Info

Permanent Fix for intermittent data issue on CM9/10/AOSP 4.0+ based ROMs

After months of having this reoccurring issue myself, I FINALLY figured out a solution. It had gotten so bad on mine that wiping the rom won't matter... the only solution was to wait for several minutes/hours until it returned or switch to a Sense-based or a GB rom. This fix should appeal to those who had to return to older roms due this issue driving them insane!
Let's clear up a few things first.. to those having this issue and being able to restore data by going into airplane mode might wanna invest in a new sim card. Best to go into a retail location and pick one out yourself. The newest ones (model number TM9177 or higher) work the best and have the fewest data drop offs. That should fix a lot of users intermittent data issues from returning.
If you still have data issues and already have a newer model sim card (TM9177 or higher) OR have data issues that don't get fixed after a reboot, switching into airplane mode, wiping, normally have to wait a long time for it to return on its own, etc.... then this part will fix it. :highfive:
Go to home, menu, settings, wireless & networks, more, mobile networks, access point names, menu, and FINALLY add a new apn. Chose whatever for name of apn (maybe tmobile alternate, tmobile 2, or whatever), the next line, the actual apn, with be "wap.voicestream.com" (no quotes, duh). Next add this line to MMSC... "http://mms.msg.eng.t-mobile.com/mms/wapenc". Everything else should be left as is. Now hit menu, save apn. This new apn seems to work with all features I've tried... text messaging, full data access, same speed as default epc.tmobile.com apn, tethering, etc. Haven't tried MMS but the settings for that line is there in our alternate apn we just made. Please post results on that if anyone still uses that feature So... that's it. The old apn works nicely and you say GO TO HELL! to the annoying data icon flashing on and off forever!
Be sure to post your results/experiences to confirm but it seems to be gone on 4 other MT4GS CM9/10 users besides my own. I REALLY HOPE y'all are as happy with this fix as much my family, friends, co workers, and I are! Do forget to use the thanks button
Also... you can try "internet.voicestream.com" for an additional apn. I'm not sure if MMS will work on that one even with the MMCS set as "http://mms.msg.eng.t-mobile.com/mms/wapenc" but it's work a try. If anyone wants to check it out is welcome to. Again... post your results. I'm not sure how long tmobile will leave these old apns active but I bet it's longer than anyone will be still using this model lol! Enjoy!

I've been one of the lucky ones not to have had this problem but if this fixes the issue of those that have been, this is one NIIIICE CATCH! GOOD WORK, sino8r!!
I'm very anxious to hear how this works out for everyone!

Intermittent Data 3G 4G Loss Disconnect
Wow, Thanks. I've been fighting with this all day.
I've been running SilverL CM 10.1 for a couple of weeks and today suddenly lost my T-Mobile data connection.
I tried many solutions (I wish I'd found this thread sooner). Wiping Cache, Fix Permissions, Reflashed, different Kernals, different loads. Going back to Gingerbread worked, but I lost the data when I went back to ICS/JB.
There was even another thread that was close with deleting all APNs and creating a new one, but the settings still weren't there.
This took care of it right away.
THANKS !!!!

Problem with t-mobile service, signal
Would u be able to help me with this problem? http://forum.xda-developers.com/showthread.php?t=2203084

Sir You just saved my phone and my sanity thank you so much !!!!!!
---------- Post added at 07:29 PM ---------- Previous post was at 07:00 PM ----------
Ratler5 said:
Sir You just saved my phone and my sanity thank you so much !!!!!!
Click to expand...
Click to collapse
Tested it with 2 diffrent JB roms fixed data problem in about 10 seconds from selectign new APN. Data speeds are back to normal! Will update if anything changes.

After several days even weeks of no issue then suddenly I get data issues again so I go back to mobile networks to find the second APN I created to be deleted... Anyone experience this?
Sent from my MyTouch 4G Slide using xda premium

thanks for the info! i ran across this thread while searching for a new ROM for my mytouch 4g slide, hoping it would fix the issue. once I arrived to the access point names, i noticed that the apn selected was for LTE. I switched to the regular one and now it works great. thanks!

I had this issue while on cm9 releases but it had gone away after I began using unofficial 10.1. Sort of. In certain areas- and I assume with certain towers - my data wouldn't work with some apps (ie., Facebook, Google maps) even though the data icon would show "H" or "3g" locked on and blue consistently. Sure enough, this fixed it right up.
Also, although my phone shows the option for the Tmobile lte APN in the settings, it was not selected by default. Thanks for this!
Sent from my MyTouch 4G Slide using xda app-developers app

[Q] No mobile data after reverting from CM to stock

Okay, so I've been searching the net for days and to no avail. I installed the new Cyanogenmod on my Nexus 5 and found it, well, awful. It kept hanging, restarting etc. Now when I tried to revert back to stock, I downloaded the image file from developers/google/com/android/nexus/images, and there's no 4g. No mobile data whatsoever. I can call, the Wi-Fi is working, but no mobile data. I've tried factory resetting, installing a different radio zip etc. When I install Cyanogenmod again, the 4g works again, but after going back to stock nothing again. Any help?

Wow, this is stupid, but after trying everything, including running every new stock rom, I tried installing the 4.4 (KRT16M) AND IT FINALLY WORKED. I'm gonna leave this up for anyone in the same situation as me.

Well, would you guess, the problem's back, but from a different angle. After installing 4.4.0, and letting the device upgrade itself to 4.4.4, the data worked perfectly. Now I tried to install the android L developer preview and again no data connection.
Does anyone have any idea if it could be a regional issue or something? I tried flashing older radio zip files but to no avail, now back to 4.4.0 .

Try setting a new APN with your carrier settings.

I lost connection all together last Saturday. I flashed CM 11,Friday and all was well. Received a call Saturday, it rang once then lost connection. Had to reboot four times to regain service and that was short lived. After any call incoming or outgoing, I lose service. All APNs are present. WiFi works. SIM alert when SIM is removed. SIM works fine in my N4. Did a complete tear down and it's not hardware related.
---------- Post added at 09:58 PM ---------- Previous post was at 09:58 PM ----------
Sim works fine in my N4 also

If you loose signal might be a radio problem, still if you have signal but no connectivity try with the new APN, android (CM, stock unless carrier stock) had errors in the APN list for my carrier and I had to manually add it each time I used a new rom for several years.

Itsukki said:
If you loose signal might be a radio problem, still if you have signal but no connectivity try with the new APN, android (CM, stock unless carrier stock) had errors in the APN list for my carrier and I had to manually add it each time I used a new rom for several years.
Click to expand...
Click to collapse
im having some trouble with my radio also, it will work fine for a bit, then out of no where, ill download an app and it the signal will just go blank, not grayed out, but blank, ive tryed many different things but not apns, would anyone happen to know what T-mobiles apns are?
Edit: I just now noticed in my list of apns, its set to Metro pcs, and theres a few Tmobile apns, what should i choose?
tmobile
tmobile LTE
or tmobile LTE ipv6?

Andromendous said:
im having some trouble with my radio also, it will work fine for a bit, then out of no where, ill download an app and it the signal will just go blank, not grayed out, but blank, ive tryed many different things but not apns, would anyone happen to know what T-mobiles apns are?
Edit: I just now noticed in my list of apns, its set to Metro pcs, and theres a few Tmobile apns, what should i choose?
tmobile
tmobile LTE
or tmobile LTE ipv6?
Click to expand...
Click to collapse
What were the last few apps you do loaded before this happened to you

BlackElvis79 said:
What were the last few apps you do loaded before this happened to you
Click to expand...
Click to collapse
i think speedtest, advanced download manager, the first time it happend, i had just flashed slimkat 5.10, i set everything up, and i used the LTE quick tile to turn off LTE, my hole signal dissopeared and my phone crashed, i had to restore to stock to get it back. now it does as i discribed erlier.
man, i just got off the phone with a robot from tmobile customer service. she had me turn the phone off and pull the sim card, she told me she "refreshed" my service on her end and the problem was "gone". ya, its not.

Installed CM 10.2.1 and now have no service

Okay so last night I installed CM 10.2.1 on my Samsung galaxy S3 (Verizon SCH-1535)
Everything's running smoothly but for some reason I don't have any service anymore
I'm using a Family Mobile SIM card and APN, still have my IMEI and MEID but in the phone status screen PRL version, MIN and my phone number show up as unknown. Also it says that my mobile network state is disconnected.
Right now I can't send texts and call anyone. However I still do get automated billing texts...
Not sure what to do right now. I still have a CWM backup of the stock ROM. I'm rather new to this custom ROM and bootloader thing so I'm worried that I'll accidentally brick my phone.

Nevermind, i fixed it!

What did you do to fix this? I've had almost the exact same experience over the past couple of days but haven't managed to recover my service.
Background: Flashed back to Alliance 23 (TW 4.3) to see if TW would solve anything and it didn't. I've flashed the ML1 modem and NE1 and still nothing. I even went to a Verizon store to replace my SIM in case the PRL got botched somehow. I can receive texts and send texts sometimes but not consistently, cannot make or receive phone calls.
On Alliance I have the CDMA/LTE/EVDO network mode selected (defaults to global). I was previously trying out CM12.1 and had issues with the modem type sticking to LTE/CDMA (auto prl), after reboots it would switch back to LTE/GSM and the network modes presented were LTE, 3G, and 2G which didn't seem right.
The last time I had a fully functioning radio was with SlimKat Stable. Was having issues sending/receiving MMS and figured it was time to upgrade so went to CM12.1. Since I've tried flashing Alliance and other versions of CM I don't think flashing back to SlimKat will do much but I guess that's next on my list..
I feel like I'm missing something simple. Anyone have ideas?

Jeremy.Stewart85 said:
What did you do to fix this? I've had almost the exact same experience over the past couple of days but haven't managed to recover my service. ...
Click to expand...
Click to collapse
I may have managed to fix this. Remembering the IMEI issues that happened early on in this phone's life I figured it might have something to do with that.
My IMEI was correct in my phone status, however my phone number and MIN were not correct (phone was 000-000-0023 or something strange) and my MIN was 00. Something definitely broken there.
Steps:
It requires you to have an IMEI backup already. I had done the reboot nvbackup from adb ages ago and decided to give it a shot with a reboot nvrestore.
Phone rebooted but was stuck on the Samsung logo...uh oh.
Had to do a battery pull and reboot to recovery manually.
Restored Alliance 4.3 backup and voila! Full service, phone number and MIN were correct.
Restored my CM12.1 backup image I had been trying out. Right off the bat there was still the same issue of no service.
Dialed the phone info menu (*#*#4636#*#*) and changed preferred network type to CDMA only, ping test succeeded.
Went to Settings | Mobile Networks and things looked more normal which was a great sign. My Preferred network type was actually blank, so I selected LTE (recommended).
Tried a test call to #832 and success!
Rebooted to make sure everything sticks and it does.
That was not a fun experience...still not entirely sure what actually broke but I've got a usable phone again and to top it off it's on CM12.1 which is just awesome so far

New APN for straight talk on oneplus

If you thought your data was slow lately it probably was there is new APN settings for straight talk with one plus one on the att network. Had to delete the old APN or it would automatically switch back to it.

I have OnePlus One with Straight Talk and keep losing of Mobile Data. I have tried you settings but does not work. I have done clean install with cm-12.1-YOG4PAS1NO-BACON AND CM-12.1-20151007-SNAPSHOTY0G4PA0331. and lose data with in 24 hours

I would check with the ROM you are running and see if other users are having that issue I have no issues on Exodus ROM

MMS LTE issues
So, the other day I was having issues receiving MMS. It would work when I first reboot, but once I connected to wi-fi, it would go away, even if I left the wi-fi area. I decided to update to the next available nightly which I didn't realize was CM 13 (I was on 12). After doing so, I couldn't reboot because I didn't have the gapps loaded for 13, so I ended up having to wipe and reload everything and start fresh. Still didn't fix my problem.
Updated the setting and I'm still having the issue.
-connects to LTE on first boot and works fine
-lose cellular data when connected to wi-fi (can't receive MMS)
-lose all data after leaving wi-fi area or turning off wi-fi
-data works after reboot until I connect to a wi-fi router.
I tried deleting all the APNs listed in the phone and only adding the one above, but I'm still having issues.
Thanks if anyone can help
---------- Post added at 09:20 AM ---------- Previous post was at 08:57 AM ----------
Just realized I don't have to do a full restart to get the data back, I just have to go into Airplane mode and back out of it and LTE comes back up.
For some reason as well, my location is showing up about 3 hours from where I am in Virginia.
I had a similar issue (Losing MMS/Data) on my Galaxy S3 a few years back and I had to load an older radio (I think, it's been a while)
G

LG G5 Sim not detected only for SMS and calls

As stated I'm using the LG G5 H830 T-Mobile variant. I am getting 4G LTE data connection and everything runs well (Not in any WiFi range) Yet for SMS and calling as well as mobile hotspot I get "No USIM card' error. This happened after wiping the system and formatting data. Rebooted recovery (as per instructions on forum) then installed the stock firmware & Patch with systemless root and xposed. After this I did factor reset when just pulling the sim didn't help. Still nothing. I reflashed just the stock firmware with TWRP and SuperSU and issue is still happening. I've disabled rebooted and enabled the phone radio. SIM is in good condition and tray as well everything is SECURE and should be good to go.
I'm assuming a new SIM might be a solution. But I'm not counting on it and with Labor Day tomorrow for me I wouldn't be able to pick one up for 2 days. So here I am...hoping someone might have a fix. I know I don't have many posts on here. But I am an experienced user....just not with the more basic of problems I guess
Thanks!!

Has anyone else experienced this yet? I'm just curious...I had it fixed for a couple days. I've formatted data and done complete system wipe. Tried it resetting phone with the COMPLETE zip and TOT using LGUP. I'm receiving texts. Not calls. Not able to send either. I've activated new sim, didn't help. LG support just told me to look into warranty. T-Mobile needless to say just wanted. Sim card does show stock tmobile short code contacts but phone number shows as unknown. Hotspot won't work. I've tried setting the phone number to the sim. Nothing.
Anyways. I don't think I messed with anything, even so I've done everything to start the phone from scratch. Going to replace it, just more or less curious at this point and maybe others have had the same issue.

I believe I had the same issue as you and it was driving me crazy. I was constantly wiping data, system, etc but my phone kept giving the message "roaming indicator off" where it should show the name of the carrier. This resulted in me having LTE data and that's it- no 3g, no phone calls, etc. I couldn't even access the mobile network menu.
What ended up causing the issue was the network mode setting under wireless networks. Keep in mind at this point I'm running a patched rom which now gives more options in the network mode menu than the phone came factory with. I have an area at work where I have to switch to 3g, GSM/wcdma preferred network setting, because although I have full LTE signal, my connection goes dead. When switching back from 3g I chose the setting lte/CDMA thinking this would force my phone to stay in lte mode due to another area on an upper floor where the phone will constantly drop lte.
Anyways this resulted in my phone saying roaming indicator unavailable, the inability to make or receive phone calls, and either the mobile networks or network mode menus being grayed out. When stuck in this mode there is no way to put the phone back into the standard "GSM/wcdma/lte" mode. Even a complete reflash won't fix it. I even used lgup, which worked for maybe a day until it force closed the phone app and went back to roaming indicator unavail. I wiped every partition and even reflashed radio firmware. Nothing worked.
What ended up fixing it was using an app called v10 hidden settings which allowed me to access the network mode menu directly and re-choose the lte/wcdma/GSM setting. Incidentally on first access to this menu through the app there are only two network settings available. Once you choose a GSM setting, the rest appear.
I'm not sure if this was your issue but I hoped this helped because this took me about a week to workout.