Got it made. I patched boot.img with Canary version of Magisk Manager. This did not work properly. With the release version 8.0.2 it worked fine and I was able to sign the image. Now the device is roo...

Hi, I have the same tablet and was able to unlock bootloader and create and flash a custom vbmeta.img. But now I´m failing to sign my magisk patched boot.img. How did you make it? If I try to give ...

After trying to sign an img in Ubuntu 20.4 with: python avbtool add_hash_footer --image magisk_patched.img --partition_name boot --partition_size 36700160 --key keys/gk_custom.bin --algorithm SHA256_...