Use the dd command to copy your boot partition to your SD card: dd if=/dev/block/by-name/boot_a of=/sdcard/boot.img (for A/B devices). 3. Online & Script-Based Tools
For modern devices (Android 10–14 with dynamic partitions, VBMeta 2.0, or boot signature), most simple APKs because they don’t understand: Boot.img Extractor Apk WORK
Else, download stock firmware for your model and extract the boot.img from the payload.bin (using payload_dumper on PC). Use the dd command to copy your boot
While some extractors work without root for external files, extracting the currently running boot image usually requires Root/SU permissions. Storage Space: or boot signature)
Ensure you have at least 1GB of free space for processing large firmware files. or perhaps a README file for a GitHub repository instead?