is there anyway to backup stock firmware/rom before perform root process for the phone?

thanks

just want to confirm once root if phone have any issue when i return to sony center for repair will they reject my phone for warranty?

thanks

so do u mean after we root the phone then unlock the bootloader and later want to claim warranty can flash back to stock firmware correct?

thanks

hi guy,

want to ask anyone try to downgrade their firmware before using flash tool?as i got error saying pls turn on unknown source and debugging which i have then i hold the back button of my phone then connect the usb to pc to start flash but the error still pop up saying to turn on unknown source and debugging.pls help.

thanks

guy,

my friend x10i phone want to root and without unlocking the bootloader is possible?

thanks