I've got new Xperia Z with 10.4.B.0.569 firmware on it. I can't find solution to root device with locked bootloader. I can unlock bootloader then root phone, but first I would like to backup TA partition, but I can't backup this partition because phone must be rooted first! I can't flash custom recovery too because of locked bootloader.
Is any solution for this problem? Thanks for any advice!