AT&T S2 no signal with t-mobile SIM card

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ThoR294

Senior Member
Jul 2, 2013
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Jul 14, 2013 at 11:37 PM
Running Paranoid Android ROM Jelly Bean and Siyah kernal (see screenshot

Changed the APN settings for t-mobile still no signal. AT&T works fine (I put my AT&T sim in. no problems)

No signal at all with T-mobile SIM. Is there something else I need to check. Tried different modems. please halp!

 
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jcon2358

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Sep 8, 2012
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Jul 15, 2013 at 2:17 AM
i have the same issue on ATT right now, i had to flash a different rom because wifi/radio kept making logs and using up space. Now i have this issue of not being able to connect to the network. If i restart my phone it will work for a few minutes, but then i will competely loose the network once more. I tried reflashing the modem, but that did not work.
 
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ThoR294

Senior Member
Jul 2, 2013
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Jul 15, 2013 at 4:21 AM
Tried flashing different modems... nothing. tried configuring the APN... nothing :(

my AT&T sim works but his t-mobile sim does not.
 
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Pattonator

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Jul 12, 2013
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Jul 15, 2013 at 1:35 PM
ThoR294 said:
Tried flashing different modems... nothing. tried configuring the APN... nothing :(

my AT&T sim works but his t-mobile sim does not.
Click to expand...
I was about to post a thread an saw yours. I'm having the same issue. I'm using the Siyah kernel as well.

It always seems that I can see AT&T as an available network and almost never T-Mobile even though I have a T-Mobile SIM card in. The phone itself always wants to default to the AT&T network and then I get a "Not registered on network" message.

I'm not sure if this a problem with Siyah and if I need to start over with a different ROM or if there is something that I can flash in addition to make it prioritize T-Mobile and get rid of AT&T?
 
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ThoR294

Senior Member
Jul 2, 2013
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Jul 15, 2013 at 7:41 PM
Pattonator said:
I was about to post a thread an saw yours. I'm having the same issue. I'm using the Siyah kernel as well.

It always seems that I can see AT&T as an available network and almost never T-Mobile even though I have a T-Mobile SIM card in. The phone itself always wants to default to the AT&T network and then I get a "Not registered on network" message.

I'm not sure if this a problem with Siyah and if I need to start over with a different ROM or if there is something that I can flash in addition to make it prioritize T-Mobile and get rid of AT&T?
Click to expand...

wonder if it is the kernel...
 
Teknodad1974

Teknodad1974

Senior Member
Nov 11, 2011
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Easley, SC
Jul 21, 2013 at 4:41 AM
Go into settings/more settings/mobile networks/network operators then select auto select then click on automatically select network operator.

Sent from my SGH-I777 using xda app-developers app
 
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ThoR294

Senior Member
Jul 2, 2013
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Jul 21, 2013 at 5:39 AM
Teknodad1974 said:
Go into settings/more settings/mobile networks/network operators then select auto select then click on automatically select network operator.

Sent from my SGH-I777 using xda app-developers app
Click to expand...
All it sees is AT&T. Tried that, still "not registered on network" What would cause the phone to not see t-mobile??? ugh. I Appreciate all the help!
 
Teknodad1974

Teknodad1974

Senior Member
Nov 11, 2011
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Easley, SC
Jul 21, 2013 at 3:34 PM
Make sure you have a pretty strong signal maybe In a metropolitan area of a city. Or flash some different modems. I have no signal when i am inside my church. Its says not registered on network. Goodluck :)

Sent from my SGH-I777 using xda app-developers app
 
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ThoR294

Senior Member
Jul 2, 2013
85
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Jul 21, 2013 at 5:05 PM
Teknodad1974 said:
Make sure you have a pretty strong signal maybe In a metropolitan area of a city. Or flash some different modems. I have no signal when i am inside my church. Its says not registered on network. Goodluck :)

Sent from my SGH-I777 using xda app-developers app
Click to expand...
haha I tried 5 modems! I guess I just grabbed the wrong ones. I will try more. Thanks :) Which one are you using?
 
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