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Ways to unlock bootloader of japanese so 02g converted to international d5803?

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temporary2010

Member
Dec 22, 2013
44
12
Vancouver
You don't need to unlock the bootloader to root. There are several ways to do it, but what I did was:
- install dual recovery @ http://nut.xperia-files.com/html/xzdualrecovery-manual.html
(you might need to downgrade to stock 4.4.4 first @ https://forum.xda-developers.com/showpost.php?p=66275977&postcount=2030 )
- then you can either download or create a pre-rooted ROM, then install using custom recovery

Here's a list of stock ROMS if you want to create a pre-rooted ROM:
https://forum.xda-developers.com/z3-compact/general/list-stock-firmwares-d5803-d5833-t2906706
 
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temporary2010

Member
Dec 22, 2013
44
12
Vancouver
You only want to install 4.4.4 temporarily, to install a custom recovery, so it doesn't matter what language it is. And I would try installing Dual Recovery without downgrading first. It might work. I don't know.

It will work for any OFFICIAL ROM. If you want unofficial, you have to unlock the bootloader, which is a separate process. Never done it, but there are guides on these forums.
 

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