Magisk Manager gives 'failed to repack boot image' error when trying to patch

[AndreM962]

What the title says. I'm using the latest Galaxy J6 Firmware. It used to be able to patch the boot.img fine, but for some reason now it's completely impossible. Am I doing something wrong?

 

[tys0n]

What the title says. I'm using the latest Galaxy J6 Firmware. It used to be able to patch the boot.img fine, but for some reason now it's completely impossible. Am I doing something wrong?

I got that error on some Samsung boot.img when I forgot to decompress the .lz4 first.
Makes sure you have boot.img and not a boot.img.lz4
Hope it helps.

Sent from my Xperia XZ3.

 

[AndreM962]

I got that error on some Samsung boot.img when I forgot to decompress the .lz4 first.
Makes sure you have boot.img and not a boot.img.lz4
Hope it helps.

Sent from my Xperia XZ3.

I am using a Boot.img file, but all I did was change the file extension by erasing the .lz4 at the end. Is that all I need to do, or do I need to do something more to decompress it? Can you explain what, if so?

 

[zencooler]

I am using a Boot.img file, but all I did was change the file extension by erasing the .lz4 at the end. Is that all I need to do, or do I need to do something more to decompress it? Can you explain what, if so?

You can use one of method explained here:
https://glamourrom.eu/how-to/extract-lz4-image/


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