Boot.emmc.win To Boot.img ~repack~ -

: The standard file format for Android boot images, used by fastboot and most flashing tools.

If you are worried about the backup's integrity, you can pull a fresh boot.img directly from your device using the ADB (Android Debug Bridge) : Connect your device to a PC with USB Debugging enabled. Open a terminal and run: adb shell dd if=/dev/block/by-name/boot of=/sdcard/boot.img Use code with caution. Pull the file to your computer: adb pull /sdcard/boot.img Use code with caution. boot.emmc.win to boot.img

Whether you are seeing any specific during the process? How to decrypt a ".emmc.win" file from the efs TWRP backup? : The standard file format for Android boot