Huawei Lual02 Firmware Flash File Mt6735m Dead Hang Logo Done Repack Site
If device now turns on but stuck on Huawei logo:
Use this command to repack a raw system image: If device now turns on but stuck on Huawei logo :
img2simg system_raw.img system_sparse.img 4096
(But for MT6735M, use raw format: simg2img stock_system.img system.raw) Use this command to repack a raw system
| Error | Solution |
|-------|----------|
| BROM ERROR: S_FT_ENABLE_DRAM_FAIL | Bad preloader → flash using test points or force BROM mode (short CLK/GND) |
| STATUS_EXT_RAM_EXCEPTION | Wrong repack → use LUA-L02 specific custom_emmc.txt |
| Hang at logo after flash | Flash userdata + cache from repack; or replace logo.bin |
| Device not detected | Install MT65xx Preloader VCOM drivers (disable driver signature on Win10) | (But for MT6735M, use raw format: simg2img stock_system
A proper Huawei LUA-L02 MT6735M flash file (full ROM, not just an OTA update) contains the following partition images:
| Partition | File Name (Typical) | Purpose |
|-----------|----------------------|---------|
| Preloader | preloader_lua_l02.bin | Initial bootloader (CPU init, DRAM init) |
| Bootloader | lk.bin | Little Kernel – Fastboot mode |
| Boot | boot.img | Kernel + Ramdisk |
| Recovery | recovery.img | Stock recovery (or TWRP) |
| System | system.img | Android OS (main firmware) |
| Cache | cache.img | Temporary system data |
| Userdata | userdata.img | Factory reset data |
| Tee | tee1.img, tee2.img | Trusted Execution Environment |
| Logo | logo.bin | Huawei boot splash screen |
Critical Note: Many dead LUA-L02 units require flashing the Preloader first via USB-TTL or SP Flash Tool's "Download Agent" mode. Without a correct preloader, the chipset stays dead.