HTC One S T-mobile unlocked on AT&T

henryleestl · May 21, 2014

I have Cyanogenmod running 4.4.2 with baseband 1.13.50.05.31_10.30.50.08L. It worked great on T-Mobile. couple of weeks ago I signed up AT&T, and now the signal drops constantly, phone calls is almost not usable, and mobile data is always on Edge.

Does anyone having the same issue? is this an issue of baseband? I read somewhere that european version of the baseband would work better with AT&T, can anyone confirm or deny?
Thx!

circuit1 · May 21, 2014

henryleestl said:
I have Cyanogenmod running 4.4.2 with baseband 1.13.50.05.31_10.30.50.08L. It worked great on T-Mobile. couple of weeks ago I signed up AT&T, and now the signal drops constantly, phone calls is almost not usable, and mobile data is always on Edge.

Does anyone having the same issue? is this an issue of baseband? I read somewhere that european version of the baseband would work better with AT&T, can anyone confirm or deny?
Thx!

u can try this:
chnge mid to PJ4010000
cid to supercid and run ATT RUU
then install cyanogenmod and see if it works :cowboy:

henryleestl · May 21, 2014

circuit1 said:
u can try this:
chnge mid to PJ4010000
cid to supercid and run ATT RUU
then install cyanogenmod and see if it works

Where can I download this ATT RUU? I don't see it here: androidruu.com

henryleestl · May 21, 2014

Ok, after some struggling here's what i did:

get s-off: firewater-soff.com/instructions
flash EU version of radio: http://xdaforums.com/showthread.php?t=2255906

looks like it's staying on H+ now. and i haven't encounter dropped calls yet. will report back if otherwise

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HTC One S T-mobile unlocked on AT&T

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