[SOLVED] [HELP] No Mobile Data in SGS2

[Kasun Anuradha]

Hello folks, this is my first post Hope to have a solution for my M250S converted to Galaxy S2 which I'm having a problem with.

I'll get to the point straight.

The problem that I'm with S2 is that I'm not able to use mobile data. Even though I've enabled mobile data from settings, No mobile data icon is shown in status bar. I've set up APN settings correctly as well. Did try with different network SIM with correct APN settings. But no luck. I'm talking about either EDGE, HSPA or 3G icon in the status bar (like in attachment below).

But internet via WiFi works fine. Tried flashing a new stock ROM, custom ROM, wiping out cache, factory resetting and turning on "WCDMA only" as well :crying:

Could this be a hardware fault? Or firmware issue (like csc or modem)?

Note : On the first day I purchased the phone, mobile data worked (and it was already converted to i9100). But backside of the phone near camera got overheated. Then I turned mobile data off and switched to wifi. Afterwards I can't remember that I could use mobile data.

 

[immortalneo]

Try this thread first:
http://forum.xda-developers.com/showthread.php?t=1097347

"To err is human, to forgive is divine"
Sent from my SGS II

 

[Kasun Anuradha]

Try this thread first:
http://forum.xda-developers.com/showthread.php?t=1097347

"To err is human, to forgive is divine"
Sent from my SGS II

Thanks for the reply. I searched that thread. Someone had mentioned to flash the modem via CWM. So I did flash the correct modem after downloading from here.
http://forum.xda-developers.com/showthread.php?t=1881304

But it hasn't change anything.

 

[andrewwright]

Can you make calls?
i9100
alliance 7.3

 

[Kasun Anuradha]

Can you make calls?
i9100
alliance 7.3

Yes, everything except mobile data and video calling is possible.

 

[andrewwright]

And you have flashed stock rom to start a new?

i9100
alliance 7.3

 

[Kasun Anuradha]

And you have flashed stock rom to start a new?

i9100
alliance 7.3

Yes, I flashed the Jellybean stock ROM 4.1.2 (XWLSN) and hoped to get a solution for the problem. But no luck.

 

[realpg]

Yes, I flashed the Jellybean stock ROM 4.1.2 (XWLSN) and hoped to get a solution for the problem. But no luck.

flash another kind of ROM for a test?

 

[andrewwright]

Yes, I flashed the Jellybean stock ROM 4.1.2 (XWLSN) and hoped to get a solution for the problem. But no luck.

So you can make calls and no data. Just try a restore of your efs. Its a very bad file that can be curupted so easy. Most will have no call but data. See were im coming from on this. Worth a try.

i9100
alliance 7.3

 

[immortalneo]

So you can make calls and no data. Just try a restore of your efs. Its a very bad file that can be curupted so easy. Most will have no call but data. See were im coming from on this. Worth a try.

i9100
alliance 7.3

I heard in some countries, even the generic Samsung IMEI may work for calls or Internet!

@OP: have u verified that ur IMEI number is correct and the same as that below ur battery? (Do not post the IMEI here)

"To err is human, to forgive is divine"
Sent from my SGS II

 

[Kasun Anuradha]

flash another kind of ROM for a test?

I flashed M250S 4.0.4 ROM and after that it works fine. But not with i9100

 

[Kasun Anuradha]

So you can make calls and no data. Just try a restore of your efs. Its a very bad file that can be curupted so easy. Most will have no call but data. See were im coming from on this. Worth a try.

i9100
alliance 7.3

I don't know how to do that

I heard in some countries, even the generic Samsung IMEI may work for calls or Internet!

@OP: have u verified that ur IMEI number is correct and the same as that below ur battery? (Do not post the IMEI here)

"To err is human, to forgive is divine"
Sent from my SGS II

There's no IMEI in the sticker under the battery. Just some korean words.

 

[immortalneo]

I flashed M250S 4.0.4 ROM and after that it works fine. But not with i9100

Maybe you should try another I9100 firmware.

This guide covers how to successfully flash it:
http://forum.xda-developers.com/showthread.php?t=1595225

"To err is human, to forgive is divine"
Sent from my SGS II

 

[andrewwright]

I heard in some countries, even the generic Samsung IMEI may work for calls or Internet!

@OP: have u verified that ur IMEI number is correct and the same as that below ur battery? (Do not post the IMEI here)

"To err is human, to forgive is divine"
Sent from my SGS II

Yes this is true. Just depends on were you are in the world and what network. Funny how sam has made that imei built into the phone.

i9100
alliance 7.3

 

[Kasun Anuradha]

Maybe you should try another I9100 firmware.

This guide covers how to successfully flash it:
http://forum.xda-developers.com/showthread.php?t=1595225

"To err is human, to forgive is divine"
Sent from my SGS II

Thanks man. Flashed i9100 4.0.4 ICS stock ROM and it works :good: I think it's a problem with 4.1.2 JB stock ROM and 4.1.2 based custom ROMs
Wonder why it's only my M250S which has faced this problem

Yes this is true. Just depends on were you are in the world and what network. Funny how sam has made that imei built into the phone.

i9100
alliance 7.3

It's very insecure I suppose not to print IMEI under the battery.

 

[andrewwright]

Thanks man. Flashed i9100 4.0.4 ICS stock ROM and it works :good: I think it's a problem with 4.1.2 JB stock ROM and 4.1.2 based custom ROMs
Wonder why it's only my M250S which has faced this problem



It's very insecure I suppose not to print IMEI under the battery.

If you havent bked up now is the time

i9100
alliance 7.3

 

[immortalneo]

Thanks man. Flashed i9100 4.0.4 ICS stock ROM and it works :good: I think it's a problem with 4.1.2 JB stock ROM and 4.1.2 based custom ROMs
Wonder why it's only my M250S which has faced this problem

Glad u sorted it out mate!
Maybe another JB firmware will work out for u. That you can try later.

For now,


And please add [SOLVED] to the title of ur post.

"To err is human, to forgive is divine"
Sent from my SGS II

 

[Kasun Anuradha]

If you havent bked up now is the time

i9100
alliance 7.3

Glad u sorted it out mate!
Maybe another JB firmware will work out for u. That you can try later.

For now,
View attachment 1885595

And please add [SOLVED] to the title of ur post.

"To err is human, to forgive is divine"
Sent from my SGS II

Doing that right away

 

[Kasun Anuradha]

Problem solved in JB ROM as well. You need to have at least two APNs in order to get mobile data working

 

[immortalneo]

Problem solved in JB ROM as well. You need to have at least two APNs in order to get mobile data working

Good for u! :thumbup:
Please add [SOLVED] to the title of ur post then.

"To err is human, to forgive is divine"
Sent from my SGS II