Please i need fix this

S1cK.

New member
Oct 5, 2017
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After unlocking the bootloader, I installed AEX 9, then I decided to flash the stock rom 8.1 and it worked ... But there is a problem, I have the bootloader unlocked and I receive OTA updates ... but now I want to install TWRP and it doesn't work, it says "recovery.img is not signed", I tried to flash another stock of rom and the same problem, I can't ... it says "boot.img is not signed"

How I fix this? I just want flash TWRP for Magisk... any solution?

PD: My English is not good for all... sorry
 
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