save old boot error

[Hyper-Ashes]

Is your feature request related to a problem?/你的请求是否与某个问题相关？

can't save boot

Describe the solution you'd like/描述你想要的解决方案

modifying APatch's installap.sh

Describe alternatives you've considered/描述您考虑过的备选方案

I might try to modify installap.sh
Backup boot before unpacking the Kernel

Additional context/其他信息

No response

[MhmRdd]

You can attempt to flash it to B partition (if your device supports A/B partitions) then set the booting partition to B.

Otherwise, use dd command to extract the current boot image to /data/local/tmp/bak/boot-yyyy-mm-dd_hh:MM.img