(Xperia U) H or E or lost signal

[drasterlx]

Hello

How to improve the signal and use the H?? because when i select wcdma(prefered)/gsm the internet go to E... but in the same place i select only wcdma the internet stay in H .... but when i move if the zone dont have wcdma, i lost the signal....

I flashed the las rom .89 exclude baseband..... because i have a st25a

Thanks one more time and sorry for my bad english

 

[Clarkiieh]

Reflash b.54 mate if it was working. Or c1.0

Sent from my ST25i using xda premium

 

[drasterlx]

The baseband?? i think the baseband of GB work better can i use it??

What about the battery drain?

 

[navxperiau]

have you rooted your mobile ??