Repair Xperia U baseband - ST25i

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nikoskip

Member
Aug 11, 2010
21
1
I have this phone from a friend that doesnt have baseband, restart it self and works like a turtle. I think that he tried to flash baseband from ST25a and bricked up.

I already flash it with an ST25i TFT with no success. Any idea?
 

Min3r

Senior Member
Dec 8, 2012
804
1,175
If he simpy made a mistake in baseband, flashing a stock FTF with the correct baseband would fix the issue :( Try flashing a custom rom and see if there's any difference :p
 
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Min3r

Senior Member
Dec 8, 2012
804
1,175
Only FTFs contain Baseband. But a mistaken baseband shouldnt cause lagging rom. Odds are something else is the issue. Try with a custom rom and see if lags still persist.. That might help you out :p

Cheers
 
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nikoskip

Member
Aug 11, 2010
21
1
I will try but lagging is my less important problem right now, I need to fix baseband first.

Thx.
 

nikoskip

Member
Aug 11, 2010
21
1
Finnaly I solved my problem using Update Service software from Sony.

Why I did:

1.- I tried first with Update Service with no success
2.- I downloaded official ICS FTF for ST25i from this topic and flashed it using Flashtool with no success
3.- I tried again using Update Service and worked. Baseband restored ;)

Thx for your help Min3r ;)
 
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rizkyfariz97

Member
Jun 28, 2014
5
2
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Finnaly I solved my problem using Update Service software from Sony.

Why I did:

1.- I tried first with Update Service with no success
2.- I downloaded official ICS FTF for ST25i from this topic and flashed it using Flashtool with no success
3.- I tried again using Update Service and worked. Baseband restored ;)

Thx for your help Min3r ;)

how can you know if your baseband is lost. i think i have the same problem which is cant switch to wcdma, it always turn to be emergency call only.
 

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    If he simpy made a mistake in baseband, flashing a stock FTF with the correct baseband would fix the issue :( Try flashing a custom rom and see if there's any difference :p
    1
    Only FTFs contain Baseband. But a mistaken baseband shouldnt cause lagging rom. Odds are something else is the issue. Try with a custom rom and see if lags still persist.. That might help you out :p

    Cheers