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[Q] Xperia Z2 fails to unlock bootloader

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By khumash, Junior Member on 3rd May 2014, 04:49 PM
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28th January 2015, 10:44 AM |#31  
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help
how did u guys do it????? please help me with the same as i m stuck with the same thing the bootloader is not getting unlocked...please help
 
 
27th February 2015, 04:38 PM |#32  
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D6503
I'm having the exact same problem

Please help us!
2nd March 2015, 09:07 AM |#33  
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Quote:
Originally Posted by festa20

We did it

Sent from my D6503 using XDA Premium 4 mobile app

i have the same problem
3rd March 2015, 07:33 PM |#34  
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Same problem here with Xperia M (C1905)...
4th March 2015, 12:37 AM |#35  
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Quote:
Originally Posted by Texuga

Same problem here with Xperia M (C1905)...

This is a Xperia Z2 forum what does an M user here ? Lol !

Btw if there stands in the service menu: Booloader unlocked allowed "No"
Then stop trying it aint work to unlock it... So far i know.
4th March 2015, 03:18 PM |#36  
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Quote:
Originally Posted by Pandemic

This is a Xperia Z2 forum what does an M user here ? Lol !

Btw if there stands in the service menu: Booloader unlocked allowed "No"
Then stop trying it aint work to unlock it... So far i know.


The problem is the same, and I got ¨here through Google search...

The phone is not working properly, it's in an infinite bootloop, and we are trying everything to fix it....

Thanks anyway.
13th April 2015, 10:42 PM |#37  
finally a solution after 4 weeks....
It took too much trial and error but finally a solution using sony's official unlock method.
everytime i tried installing the drivers for s1 tool in the device manager it always failed. then i found two links which simplified it:

1st i downloaded the UNIVERSAL ADB DRIVERS BY KOUCH
link:
theunlockr.com/2009/10/06/how-to-set-up-adb-usb-drivers-for-android-devices/
(II. If Drivers Won’t Install Automatically, Use These Installers Below to Do It Manually)
P.S: I INSTALLED THE ADB IN C:\android-sdk\platform-tools\(in a new folder)UNIVERSAL ADB DRIVERS


2nd I FOLLOWED THE FOLLOWING METHOD UPTO STEP 15(works almost the same for windows 8.1)
link:
donandroid.com/how-to-install-adb-interface-drivers-windows-7-xp-vista-623

it took around two seconds and device was unlocked. after turning on my z2.....it took around 5 min to boot and another 10 min for the logo to appear. lost all data (good i did a back up before starting) but atleast finally bootloader is unlocked. thanks to the links that helped and thanks to all those who develop....ping me and let me know if it worked for ya'll.
6th August 2015, 07:45 PM |#38  
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Solution
Try this
https://talk.sonymobile.com/t5/Xperi...em/td-p/584323

work for me
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