[Q][CM11] Mobile Data problem - Galaxy S II Q&A, Help & Troubleshooting

Mobile Data was working okay until CM11 M2 then I updated to M3 through Settings with the CM Updater
and I cant get Mobile Data anymore since then I tried M4,M5,M6 and now M7 and nothing changed (all were clean installs)
I also tried flashing a stock rom still no mobile data. I did reset APN settings also tried manually entering them got nothing.
if you need screenshots or any more info to help me solve the problem just ask

Is it just the mobile data gone or is it that your signals are gone too? Sometimes it shows full signal strength but with mobile data gone you can't even make a call.
When I had this problem, my imei and baseband were screwed. Check that too once.

Related

Emergency calls only.....?

Hey guys I got a problem maybe you guys can help me out of it....
I usually. Run CM7 on my phone runs great... but you know.... once in awhile we get that itch to try another rom... so I decided to try Miui i've read good things so I gave 1.4. 29 a try.
I factory reset wiped cache dalvik and formatted system cache and data and flashed.... everything when we'll booted fine got emergency calls only.... I get signal is see bars but always emergency calls only.... so I go to network settings to scan for a network and it finds trofeo my local carrier....but I try to connect to it and it says unable to connect to network..... tried to flash every gingerbread modem still no dice.... tried flashing various kernels from Bilboa and zach and no dice.... also on my notification is get no service selected network (telcel gsm) unavailable... but it is.... one more thing I tried the aim on other phones and it works fine data and voice..... who can help me solve this problem..... I use this phone more then my computer.
Thanks in advanced.
Dx

Mobile data problem

Hey there. After i installed a custom rom from here, i realised that i cant connect to internet with mobile network..
I thought that i shold reconfigure my internet apn settings but its completely correct.. i can connect with wifi which i am now writing via..
So the problem is when i activate the mobile data i see the arrows flashing and there is a h+ symbol. Everything is normal until i open the browser and try to open a page, it says webpage not available. I tried to flash a new modem but it didnt give me a solution.. any ideas?
theori717 said:
Hey there. After i installed a custom rom from here, i realised that i cant connect to internet with mobile network..
I thought that i shold reconfigure my internet apn settings but its completely correct.. i can connect with wifi which i am now writing via..
So the problem is when i activate the mobile data i see the arrows flashing and there is a h+ symbol. Everything is normal until i open the browser and try to open a page, it says webpage not available. I tried to flash a new modem but it didnt give me a solution.. any ideas?
Click to expand...
Click to collapse
did you wipe and fix permissions after flashing the rom?

[Q] problems with flashing roms

Hay everyone .
I recently flashed salmanrom v 4.2 and everything went fine until I was unable to use network data my carrier gives me. However, I could still connect to wifi.
I can still send messages and calls but I can't connect to the internet because I'm unable to to use my network data. I tested the the sim on another phone and everything worked perfectly even the network data.
I'm really frustrated someone help me please
Known issue with that ROM?
If not, flash a new modem.
If you are getting your network you should be able to use data tho.
Sent from the little guy
stealthpython said:
Hay everyone .
I recently flashed salmanrom v 4.2 and everything went fine until I was unable to use network data my carrier gives me. However, I could still connect to wifi.
I can still send messages and calls but I can't connect to the internet because I'm unable to to use my network data. I tested the the sim on another phone and everything worked perfectly even the network data.
I'm really frustrated someone help me please
Click to expand...
Click to collapse
Check and make sure your APNs are set properly for your carrier on the phone you do not get mobile data on.
ctomgee said:
Check and make sure your APNs are set properly for your carrier on the phone you do not get mobile data on.
Click to expand...
Click to collapse
Maybe could help a full wipe and re-flash the same rom...
mattefin said:
Maybe could help a full wipe and re-flash the same rom...
Click to expand...
Click to collapse
That is excessive if fixing APNs might solve his problem. Plus, re-flashing the same ROM may not auto populate his APNs anyways.

S3 mobile data problem.

I used Ultima rom v12 JB 4.1.2 for a long time and switched to CM10.2 4.3.1 recently... Since then, i am losing my mobile data a lot... I flashed efs v2 modems (MH1) also but it didn't solve the problem. Today, after doing a full wipe thru CWM, i flashed the sammy leaked official MJ9 thru odin but didnt solve the issue.
The data speed is good when it is there. It gets disconnected after varying intervals of time. It gets connected back on its own but after an unpredictable time.
I switch on/off the mobile data, wifi and airplane mode, edit the apn name and save it, dial a number and terminate the call and remove the battery and put it back... All these don't work. The data will come back on its own accord!!
I'm really frustrated!! Please help me in any way possible.
Sent from my GT-I9300 using Tapatalk

[Q] Cellular Data not working no matter ROM installed

Hello powers that be! I'm a total noob and really wish someone would help me. I currently using an XT910 which was a gift from a friend in China. For some reason my cellular data (both 2G and 3G) won't work on any custom ROM. It only works fine on the Stock ROM slot. I've tried Mokee, SlimKat, LiquidSmooth and MIUIv5.
Whenever i go to the mobile network settings, i see the correct APN is selected but it just won't connect or even show the 'E' or 'H+' icons. I'm currently in Nigeria but i doubt if its a location issue.
PLEASE HELP.. I don't have access to Wi-Fi so mobile data is all i've got, Thanks in advance!:fingers-crossed:
Seriously? No one? Come on guys
Change preferred network type under mobile network????
Sent from my XT912 using xda app-developers app
I have similar observation. After first boot everything is ok. Phone connects perfectly. Next I reboot phone and I can see that phone is connected for 1s not connected for ~20s (looped). What I noticed: additionally Airplane mode switches on and off. All of this without any touch to phone.
I observed this in every KK ROM I tested. There were a few times that phone worked properly after restart.
I always install new ROM on SS Slot 2 that is wiped (system, data, cache, dalvik) before installation.
Today I installed latest MoKee nightly (02.19) - result as described above.

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