Can I rolled back from 10.3 to 10.2 on my Z10 using Sachesi?

now the phone hangs up at the blackberry logo, won't startup. plz anyone help me

connect with Blackberry Link. See if you can update or restore there?

Use official auto loader
https://mega.co.nz/#!md0CVCCJ!zal0yL...cUgMzMzgNY9LjM
Download and install via PC
Download
Extract
Connect phone to PC
Open the auto loader

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