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Please read this if you considering unlocking the boot loader or rooting your phone.

Important information

Please note that you may void the warranty of your phone and/or any warranty from your operator if you unlock the boot loader. You should only unlock the boot loader of your phone if you are an advanced user with good knowledge of the technology and risks involved.

For more information go here

Please also note

The Sony Xperia support team will not be able provide any support, related to unlocking the boot loader or rooting your phone.

We also recommend you to read the below blogposts.

Best regards
Sony Xperia support team

Message 11 of 12
Message 11 of 12


 In your opinion, there is no solution to this problem Sawa pay the fee to open the network?


In order not to fall into this problem again would you recommend to avoid using the FTF existing file

Forum Legend
Message 12 of 12
Message 12 of 12


I'm sorry to say but yes, there's no solution but to spend few bucks to get it unlocked.


Flashtool is not a software by Sony, but PC Companion is.

Since it's a thirdy party software, no one can be held responsibe on the forum.


I have no idea what all steps you followed and which thread you used as your guide to flash using flashtool. If you see my guide here >

This is a 3 years old guide and I've excluded Simlock.TA file in the screenshot if you can see. 

Your phone could have been fine if you followed a good guide.


Here is the photo.




But yea, in severe cases, even excluding the TA file doesn't work and phone stops accepting sim cards. That just happens only with selected network operators with very aggressive inbuilt software.

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