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notcbw / 2019_android_walkman

Findings from the Android firmware of the Sony Walkman NW-A100 series and NW-ZX500 series
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Unable to Disable AVB #1

Closed Moisz42 closed 9 months ago

Moisz42 commented 9 months ago

I have the blank vbmeta.img in my path, but when running the command, I get an error.

PS C:\adb> fastboot --disable-verity --disable-verification flash vbmeta_a blank_vbmeta.img
C:\adb\fastboot.exe: unknown option -- disable-verity

Since I'm using windows I entered:

uuu FB: --disable-verity --disable-verification flash vbmeta_a blank_vbmeta.img

And I get: Error: Unknown Command:FB: --disable-verity --disable-verification flash vbmeta_a blank_vbmeta.img

Moisz42 commented 9 months ago

I also noticed that after unlocking the bootloader i went back to Build 4.04.00. I had previously installed 4.06 international.

notcbw commented 9 months ago

I can't test on windows. There are people who has succeeded doing this on head-fi so I would suggest you to ask them.

As for the version change, you might have 4.04 in one slot and 4.06 in the other slot. You can see your current slot with fastboot getvar. Not sure about using uuu on windows tho. But tbh the version doesn't matter too much and there's minimal change between the two versions. My guide works for both.