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Hello Jurij

I have read your post and understand that damaged TRIM area is usually unrecoverable and need factory or special equipment to recreate along with keys and all. 

I read that someone offered a way to do it via SETool (I was not able to confirm or find the tool at all). 

But they offer the following step. 

1. Backup Security Units with this script:
 

2. Write a Working TA backup from another phone (same model)

3. Restore Security Units.

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What is your opinion on this. Can it be done? 

Thanks, 

Best regards, 

Valeri

Nope. Writing trim area from different phone = dead phone. Also you can't backup security units from the phone if trim area is already damaged.

Thanks Jurij, really appreciated. 

With regards, 

Valeri 

That problem has been solved and thread is closed. If you have any other questions, please start a new thread. If you have any complains / opinions / suggestions, you are welcome to send them to Sony.yt Team using Private Message.