Stuck and not sure how to proceed... maybe faulty usb cables?

Twkdz

New member
Feb 28, 2019
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Hello, my step dad is trying to get me to fix his phone and its in quite a blunder.

Would anyone be able to point me towards the process of fixing the firmware? its currently stuck on Software Update Failed screen, and I have had no success with odin... perhaps im using the improper material to flash it with? maybe faulty usb cable?