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Repair Xperia U baseband - ST25i

7th January 2013, 11:07 PM   |  #1  
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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?
8th January 2013, 03:45 AM   |  #2  
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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
8th January 2013, 02:34 PM   |  #3  
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Custom ROM includes baseband? I think that only include system or I'm wrong?
9th January 2013, 03:42 AM   |  #4  
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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

Cheers
9th January 2013, 08:02 PM   |  #5  
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I will try but lagging is my less important problem right now, I need to fix baseband first.

Thx.
9th January 2013, 10:49 PM   |  #6  
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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
Last edited by nikoskip; 9th January 2013 at 11:00 PM.
10th January 2013, 12:43 PM   |  #7  
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Good to hear that bro :thumbup:

Sent from my Xperia U using xda premium
30th June 2014, 08:45 AM   |  #8  
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Quote:
Originally Posted by champ4

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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