u/Rafaelappleseed — reddlx

It's such a really cool song by these 2 Norwegian kids Marcus & martinus super good

Basically need help downgrading a locked mate 20 pro it's current OS version is

Model:LYA-L09

Build Number: LYA-L0911.0.0.162(C34E7R1P4)

Android Version : 10

Base Version : LYA-LGRP2-OVS 11.0.0.162

Custom Version : LYA-L09-CUST 11.0.0.7(C34)

Preload Version : LYA-LO9-PRELOAD 11.0.0.4(C34R1)

Bootloader Lock State : locked

HW Version : Ver3.0

VendorlCountry:optuslau

Elapsed Time : 00:05 at [2026/06/1320:47:25]

#- TSM TOOL PRO v2.4.1 #Build:2025.12.2223.21

I did the downgradeethod to a p30 but I'm trying to figure out how I manage to downgrade it the current software is in the 2nd pic

Basically old work phone want to get back in anyway its on 10.3.3

Basically got them and 2 days later the left one started crackling and making fun when i messaged nothing they said this:

Has anyone got a similar response?