[Q] CM 11 - 3G/Mobile Data not working - Galaxy S III Q&A, Help & Troubleshooting

Hi All
Some major help is required; I have flashed CM 11 - cm-11-20140504-SNAPSHOT-M6-i9300.zip and Gapps onto my Galaxy S3 without any issues, however I cannot use my mobile data/3G for whatever reason. Initially it was telling me to ensure date/time settings were correct, which they are because it's on automatic settings, however I can't figure out what the problem is. I have since flashed back to an earlier Snapshot to see if this would make any difference, which it hasn't.
Any ideas?

Questions go in the q&a forum. Report your own post and ask a moderator to move it for you.
It could be any number of things, flash the correct stock firmware for your country with odin to test.

I have got mobile date gprs working. However 3g is not working. I also have rooted and custom rom. (Country Pakistan). Please suggest solution.

Guys is there any patches/solutions for this - this is a pretty big issue that I'm surprised to see doesn't seem to have been addressed much.
I flashed CM 11 - Snapshot-M5-i9300 and Gapps, but the mobile/network data still doesn't work. Is there any Radio files or anything I would need to flash?
EDIT:
I've fixed it! For some bizarre reason it seems when flashing any custom rom, you would need to manually set up the roaming/data settings that your mobile network can provide you. I simply fixed this by going into Mobile Networs > Access Point Names, selecting my mobile network (02) and amending the settings, rebooted my phone and voila 3G full works!!

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[Q] ParanoidAndroid (and other) JB ROMs - Can't get mobile network to work

I can't post to the dev forum, so maybe someone over here can help:
I tried the PA ROM, because I really love the hybrid mode. The ROM has worked fine and looks great, but whatever version I flash, the mobile network, both data and phone, simply doesn't work.
It briefly connects to my provider (drei.at) and immediately disconnects, no matter whether I have data connection enabled or not.
Have tried this with all available versions of PA and did the usual routine: wipe, format system, wipe data. I even went totally back to a stock ROM, tried various modems, the current one being XXDLH9, which works just fine on [email protected] 0.6 ROM.
Had the same problem with Omega, FoxHound, and god knows what other ROMs I tried. No matter what, the only JB ROM actually working is [email protected] 0.6, that's it.
Is this a known phenomenon or have I overlooked something obvious?
The phone used to be a branded and simlocked Austrian T-Mobile, but ever since it has been debranded and SIM unlocked.
Any ideas?
All i can suggest is your apn settings?
Can try Offline SIM APN Database (get on Google Play) to insert the correct apn settings.
alchemist83 said:
All i can suggest is your apn settings?
Can try Offline SIM APN Database (get on Google Play) to insert the correct apn settings.
Click to expand...
Click to collapse
Thank you for the suggestion. The APN settings on a fresh install, all wiped, are correct and the same as in a working setup.
Any other ideas? Am I really the only one with that problem?
Modem tried APN correct .
Suggest next step is factory reset ..
Step after that is to install an official stock rom .
Others who may have a problem post in the roms thread .
jje
JJEgan said:
Modem tried APN correct .
Suggest next step is factory reset ..
Step after that is to install an official stock rom .
Others who may have a problem post in the roms thread .
jje
Click to expand...
Click to collapse
Did a factory reset, totally clean install with everything wiped.
Also, did a clean wipe and installed official stock ROM. Lost root, started from scratch and still didn't work.
I'd love to post in the ROM forums, but haven't yet posted my mandatory 10 postings.. Maybe this thread helps me to reach that limit
DF5JT said:
Did a factory reset, totally clean install with everything wiped.
Also, did a clean wipe and installed official stock ROM. Lost root, started from scratch and still didn't work.
I'd love to post in the ROM forums, but haven't yet posted my mandatory 10 postings.. Maybe this thread helps me to reach that limit
Click to expand...
Click to collapse
Possible hardware problem then .
jje
JJEgan said:
Possible hardware problem then .
jje
Click to expand...
Click to collapse
Very unlikely since it works on stock ROMs and [email protected] 0.6.
Uhm you just said that it still did not work on Stock?
What error message does the deviche present in *#4636#* -> phone info under Gprs?
Sent from my GT-I9300 using xda premium
d4fseeker said:
Uhm you just said that it still did not work on Stock?
What error message does the deviche present in *#4636#* -> phone info under Gprs?
Sent from my GT-I9300 using xda premium
Click to expand...
Click to collapse
No, that's not what I said. Stock ROMs work just fine; I actually just flashed the latest leak (DLI5) and had no problems with the network. The problem hasn't changed, so it's what I wrote in the OP: Only JB to work ist latest leak and [email protected] 0.6. All others can be installed but have not network connection other than WiFi.
DF5JT said:
I can't post to the dev forum, so maybe someone over here can help:
I tried the PA ROM, because I really love the hybrid mode. The ROM has worked fine and looks great, but whatever version I flash, the mobile network, both data and phone, simply doesn't work.
It briefly connects to my provider (drei.at) and immediately disconnects, no matter whether I have data connection enabled or not.
Have tried this with all available versions of PA and did the usual routine: wipe, format system, wipe data. I even went totally back to a stock ROM, tried various modems, the current one being XXDLH9, which works just fine on [email protected] 0.6 ROM.
Had the same problem with Omega, FoxHound, and god knows what other ROMs I tried. No matter what, the only JB ROM actually working is [email protected] 0.6, that's it.
Is this a known phenomenon or have I overlooked something obvious?
The phone used to be a branded and simlocked Austrian T-Mobile, but ever since it has been debranded and SIM unlocked.
Any ideas?
Click to expand...
Click to collapse
Have you tried flashing a new baseband? i had the same problem, when flashing the franco. Kernel..
or, go back stock, then reflash the desired ROM
EDIT: If it helps, I speak/write fluent german ('Cause I live in germany ^^)
familyguy59 said:
Have you tried flashing a new baseband? i had the same problem, when flashing the franco. Kernel..
or, go back stock, then reflash the desired ROM
Click to expand...
Click to collapse
Thanks for trying to help.
Yes, I have been playing around with all kinds of basebands, trying to flash modems etc. but that does not seem to be the reason for it. I have had different modems working and the very same modems simply did not work with PA at all. Best example ist yesterday's leak DLI5 which I flashed and had a virgin like system working just fine with my network. I then flashed the PA ROM, which then had the same baseband as the latest stock ROM, but, alas, same story: No network.
The weird thing is the brief connect it always shows in the status bar. It lasts roughly 4-5 seconds and then disconnects again, only showing the empty network status display.
It really sucks, because I find the idea of hybrid ROMs really appealing, in fact, this seems to me as a truly superior way of making use of the 720p display.
Need to try logcat next to see whether the connect/disconnect somehow can be monitored from there. Will report on that.
DF5JT said:
I can't post to the dev forum, so maybe someone over here can help:
I tried the PA ROM, because I really love the hybrid mode. The ROM has worked fine and looks great, but whatever version I flash, the mobile network, both data and phone, simply doesn't work.
It briefly connects to my provider (drei.at) and immediately disconnects, no matter whether I have data connection enabled or not.
Have tried this with all available versions of PA and did the usual routine: wipe, format system, wipe data. I even went totally back to a stock ROM, tried various modems, the current one being XXDLH9, which works just fine on [email protected] 0.6 ROM.
Had the same problem with Omega, FoxHound, and god knows what other ROMs I tried. No matter what, the only JB ROM actually working is [email protected] 0.6, that's it.
Is this a known phenomenon or have I overlooked something obvious?
The phone used to be a branded and simlocked Austrian T-Mobile, but ever since it has been debranded and SIM unlocked.
Any ideas?
Click to expand...
Click to collapse
Bump.
Nearly the same prob to me! I loose data if I change my location, also provider "3" in Austria! Stock is working, CM10 nightly also. I tried different Modems tomorrow the ODIN Leak.
Andi
me too
no data network after flash on two diffrent galaxy s2's
kaos7 said:
no data network after flash on two diffrent galaxy s2's
Click to expand...
Click to collapse
I was having the same issue, I pulled the SIM and wiped it down, blew off the contactors, seems to of solved the problem for the time being.
WiFi works, Mobile Networks do not
2Fast 2Low Customs said:
I was having the same issue, I pulled the SIM and wiped it down, blew off the contactors, seems to of solved the problem for the time being.
Click to expand...
Click to collapse
I just installed ParanoidAndroid. I'm kind of a noob to all of this.
I understand some, but not all.
My mobile networks are not working.
I don't get any notification at the top of the screen either saying I'm on a mobile network.
I've messed around with the APN settings. It seems that every now and then it'll connect for a brief moment, but I can't really do anything unless I'm connected to WiFi.
Any help would be appreciated.
I came from a stock phone rooted.
Installed this and now I'm here.
Please HELP!!
Had this problem with stock roms..
The network is fine but doesn't exchange data correctly.. AOSP worked fine for me.. PA= flawless
BHARGAV33 said:
Had this problem with stock roms..
The network is fine but doesn't exchange data correctly.. AOSP worked fine for me.. PA= flawless
Click to expand...
Click to collapse
Turns out I just had crappy reception at home.
I wanted to get 3+ but something got in the way and had to go with the 2.+
Sorry for not understanding, but what is AOSP? I see that, but I don't get what is what.
ASOP = Android Open Source Project.. They are best but not that much good at battery
Spend some time on xda and Google your doubts.. You'll surely understand everything from android

PACMAN ROM 20.1.0 & GPS Issues on Note II

Hey everybody,
First off, what an amazing community. I've learned so much and it's become really easy and fun to enhance my Android experience.
I have a Verizon Note II and decided to flash PACMAN ROM because of it's multiple interesting enhancements based on CM10.
Everything works amazingly well, except GPS just will not lock while "Wi-Fi & Mobile network location" (WF&MNL) is enabled in the "Location Settings" section.
When WF&MNL is enabled, (along with GPS of course), I cannot get a lock no matter how long I leave the device searching. When I launch any of the GPS status applications loaded from the play store, the satellites never show up at all, no signal bars, no activity, let alone do I get a lock. It's like it won't even try.
When I disable WF&MNL and try again, the satellites show up in seconds and I have a lock shortly thereafter. I can then re-enable WF&MNL setting and it will work until I reboot, and I've also seen it stop working when I try to run another GPS app later in the day.
So, for anybody who needs a workaround until you find your individual solution, or until a fix is released . . . I offer that up.
The problem is Google Now relies on WF&MNL, as do other applications/services, so that is not really an option to leave it off . . . all in all, the pro's outweigh the cons for this ROM and I love everything about it!!
Here is what have done so far to troubleshoot:
Restored my factory backup which was taken in TWRP immediately after the bootloader unlock and root - No issues there. GPS works.
Wiped Cache/Dalvik/System and installed CleanROM - No issues there, GPS works.
Wiped Cache/Dalvik/System and installed three different versions of PACMAN in this order 20.0.0, 20.0.1, and 20.1.0 - Didn't help
Tried installing different versions of GAPPS with each of the PACMAN ROMS (latest as well as the one linked in the OP) - Didn't help
Re-flashed the VRALL4 modem based on some suggestions - Didn't help
Inserted a modified GPS.conf file based on some suggestions - Didn't help
Tried to flash a GPS fix from another thread (sorry I can't find the thread to save my life at the moment, it was one with a "generic google" fix since the GNII wasn't on the list) - Didn't help
Restored my post root factory backup again and did not wipe cache/dalvik/system when flashing PACMAN - Didn't help
I read some threads about going back to factory and then rooting/flashing clean all over again. I would have gone that route, but other ROM's work with both location options enabled, so I'm not sure where to look next. I've searched the forums high and low and haven't gotten anywhere with the suggestions.
EDIT: I should have probably posted this in the questions section, I went to general when I was denied access to post in another thread I was following. Sorry for the noob mistake.
Its a problem with the cm based roms or aosp 4.2.2 i just leave wifi and network unchecked and if apps ask or watever i deny it and it works fine im on cm 10.1 and use my gps daily without issues i dont even notice a problem
s10sdeville said:
Its a problem with the cm based roms or aosp 4.2.2 i just leave wifi and network unchecked and if apps ask or watever i deny it and it works fine im on cm 10.1 and use my gps daily without issues i dont even notice a problem
Click to expand...
Click to collapse
I have installed PAC version 21.0.1 and GPS is not working at all. the icon doesn't even appear, nothing to lock on. my Baseband version is 12.69a.60.29U_26.17.14.11_M.
Anyone has an idea on what to change? (except switcging to another ROM)
Get a lock in another rom then immediately restore your backup of pacman while it's still locked
Sent from my SCH-I605 using Tapatalk 2
To have your thread moved after posting in the wrong section simply report your first post and explain to please move
Thread moved
Friendly Neighborhood Moderator
s10sdeville said:
Its a problem with the cm based roms or aosp 4.2.2 i just leave wifi and network unchecked and if apps ask or watever i deny it and it works fine im on cm 10.1 and use my gps daily without issues i dont even notice a problem
Click to expand...
Click to collapse
Thank you! I was having this problem & thanks to you it works flawlessly now!

[Q] Lost automatic connection with my data plan

Hi everybody!
Yesterday, I applied a custom rom to my Galaxy Note and after a successful installation, my data plan wasn't working like it used to be.
I have to say this isn't the first time I have done this, and in the previous opportunities after flashing the rom and rebooting, the EDGE/3G icon appeared by itself detecting my data plan. I never had to configure the APN settings (like it is said in many posts I have seen here).
So, when I realize that it wasn't working properly, I re-flashed the rom but didn't worked. So then, I downloaded the ICS stock rom and flashed it through Odin, hoping it would reset all things here and would give me the initial configuration, but that didn't work either.
I have entered through settings and deactivated/activated the options related to mobile data, but that icon never appears or my data connection showed up.
Forgot to mention that this phone was unlocked through cellunlocker by code, and that I can make phone calls with no problem and also the Wifi works fine... And thank you in advance for any advice/help that you could make
If it's happening with different ROMs then take a look at your modem (baseband). Are you using I717UCLF6? Go to System Settings-About Phone-Baseband Version.
Like ^^^^ said, and you didn't say it, but I'm guessing T-Mobile. So flash any ROM you like, reboot and let but settle in, then flash the Blaze 4G or whatever T-Mobile modem works best for you.
You did enter your APN info?
Agoattamer said:
You did enter your APN info?
Click to expand...
Click to collapse
This....^^^^^^^^^^^^^^^^^^^^^^^^^^^................g

[Q] CM 10.2, Can't Connect to Verizon Network

I have had nothing but pain and suffering since deciding to install CM 10.2 last night. I installed the latest stable version of CM 10.2.2 as well as the google apps pack and after several wipes (system, cache, data), it finally worked. The issue that I am not having is that it wont connect to the Verizon network.
I think the issue may be that in Mobile Network Settings>CDMA Subscription it is set to NV, and won't let me switch to RUIM/SIM. Another clue is that in the About Phone section, Baseband version is UNKNOWN. Any ideas?
EDIT: Ok, I updated to the latest CM version via the CM update process on the phone. looks like i am now on CM11 and i have network connectivity, though it is 1 bar of 3G. And now the google play store keeps throwing errors so i have to uninstall it.
I thought CM was a polished ROM that I could just install and go. I am now considering going with something else since I still cant get it working right.
killerroomba said:
I have had nothing but pain and suffering since deciding to install CM 10.2 last night. I installed the latest stable version of CM 10.2.2 as well as the google apps pack and after several wipes (system, cache, data), it finally worked. The issue that I am not having is that it wont connect to the Verizon network.
I think the issue may be that in Mobile Network Settings>CDMA Subscription it is set to NV, and won't let me switch to RUIM/SIM. Another clue is that in the About Phone section, Baseband version is UNKNOWN. Any ideas?
EDIT: Ok, I updated to the latest CM version via the CM update process on the phone. looks like i am now on CM11 and i have network connectivity, though it is 1 bar of 3G. And now the google play store keeps throwing errors so i have to uninstall it.
I thought CM was a polished ROM that I could just install and go. I am now considering going with something else since I still cant get it working right.
Click to expand...
Click to collapse
You definitely want to be using CM 11! 10.2 is ancient at this point.
As for your problems. First, Sense based ROMs apparently show more bars for the same signal strength. To know if it is actually worse, you need to compare the numeric (db) signal strength. Second, did you also flash a kk gapps package?
I would recommend downloading the latest gapps-kk-* from http://goo.im/gapps and then in recovery do:
* factory reset
* format /system
* install cm 11 version of your choice (latest nightly or M8)
* install gapps
And see if that makes your life a little better.
Thanks for taking the time to respond. The reason i went with 10.2 is it was the latest "stable" version on CM's website. I wasn't sure what "snapshot" meant so i didnt do any of those. Then i eventually did download and flash the kk gapps but was still having issues.
I am following your steps above to start fresh again, though I was still having issue with the radio before though, so we will see if this helps.
killerroomba said:
Thanks for taking the time to respond. The reason i went with 10.2 is it was the latest "stable" version on CM's website. I wasn't sure what "snapshot" meant so i didnt do any of those. Then i eventually did download and flash the kk gapps but was still having issues.
I am following your steps above to start fresh again, though I was still having issue with the radio before though, so we will see if this helps.
Click to expand...
Click to collapse
Well, everything seemed to install ok and phone booted fine but I have no mobile network. I do have data if i monkey around with the Preferred Network Type setting, but regardless, when i try to make a phone call, it says there is no mobile network. does anyone have the recommended settings for verizon?

No mobile internet after Rom flash

Hi,
I recently changed my ROM from Cyanogenmod (some of the last nightlies; so Android 5.1.1) to a custom rom called "existenz".
After successfully flashing the 6.3.5 Premium Update to my phone, the mobile data stopped working correctly.
Whenever I try to enable mobile data in my settings, the trigger simply goes back to disabled.
Reason for ROM change: I didnt want to use nightlies anymore and this ROM seemed perfect for my phone.
I tried several restarts, but nothing changed.
I flashed the ROM with TWRP.
Thanks in advance,
Pascal
(If nothings helping, whats your custom ROM you could suggest me?)
I flashed the latest nightly of cyanogenmod again. Mobile data is working now. Guess I'm never leaving cyanogenmod.
keksautomat said:
I flashed the latest nightly of cyanogenmod again. Mobile data is working now. Guess I'm never leaving cyanogenmod.
Click to expand...
Click to collapse
Are u sure u enabled ur APN settings from settings/more/internet settings?
For ur information only CM roms will enable Internet Apn automatically after flashing rom. Sony custom roms did not enable Internet APN automatically. We need to set it by ourself or u can install internet APN from settings/more/internet settings
@Rajeev
Good point. I read something about "allow only IPv4" - so I changed that - rebootet my phone but still nothing.
I cant remember tho about anything saying its disabled. Might give it a second try then, havent fully configurated my phone yet.
Thanks.
Only turn ON internet data and go to config / •••More / internet settings- Download settings for Internet and MMS

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