HELP!! stuck at sony logo, flashmode bootloop

kornmaggie

New member
May 27, 2020
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hi, ive tried to root my xperia xa1 ultra, but it failed after flash boot.img and recovery.img with flashtool.

if i power on without cable, freezes on sony logo with white background, and i have to wait until the battery is empty.
with charger, freeze in sony logo but if i unplug the cable the phone power off.

if i start the phone with cable connected on pc, in FLASHMODE, at 30+- seconds PHONE REBOOT IN FLASHMODE AND LOOP.

bootloader is unlocked.
i cant know what % of battery the phone have, but i think it charges while stuck on sony logo while is connected at the carger(no pc), and then i can unplug and the phone shutdown, and didnt have to wait ALL NIGHT to the battery empty.

so the questions,
is bricked? do i have a solution? how can i undo the failed root process and have the old recovery? remember that i have the loop with flashmode

ps: ive tried to reboot into recovery mode with adb commands but the phone is not recognized in adb devices, and i dont know if this is a possible solution

thanks you all, sorry for very bad english, please help me!!