: search for u-boot string or BL2 header at offset 0 inside decompressed block.
When standard USB recovery doesn’t work, you’ll need to use the (UART) method. This requires basic soldering skills or access to the service port. Mstarupgrade.bin Recovery
If your device fails to boot or shows errors after a firmware update referencing Mstarupgrade.bin, follow these recovery steps. : search for u-boot string or BL2 header
| Offset | Content | |--------|---------| | 0x0 – 0x200 | Header (magic + version + size) | | 0x200 – 0x60000 | UBoot | | 0x60000 – end | SquashFS / UBIFS + kernel | Mstarupgrade.bin Recovery
: You can use the mstar-bin-tool on GitHub to unpack, edit, or repack these files if you need to modify the firmware.