For more MediaTek firmware guides, check our articles on MT6580, MT6753, and Helio G85 flashing tutorials.
| Chipset | Modem | Resolution | Firmware size | Tool used | |---------|-------|------------|---------------|-----------| | | LTE Cat4 | HD+ | ~1.5-2GB | SP Flash Tool | | MT6761 (Helio A22) | LTE Cat7 | FHD+ | ~2.2-2.8GB | SP Flash Tool | | MT6580 | 3G only | FWVGA | ~800MB | SP Flash Tool | mt6739 firmware
| File | Purpose | |------|---------| | preloader.bin | Initial bootloader; handles hardware initialization | | lk.bin | Little Kernel (secondary bootloader) | | boot.img | Kernel + ramdisk (Android boot image) | | system.img | Android system partition (sparse chunk or raw) | | vendor.img | Vendor-specific blobs and proprietary drivers | | userdata.img | Factory user data (optional) | | cache.img | Empty cache partition | | scatter.txt | Partition map and memory addresses for SP Flash Tool | | MT6739_Android_scatter.txt | Same as above, common naming | For more MediaTek firmware guides, check our articles