Using the wrong firmware version can hard-brick your device. Always double-check the Product Code under the battery before proceeding.
| Error Code | Message | Solution | |------------|---------|----------| | S_BROM_CMD_STARTCMD_FAIL (0x7D5) | Cannot send start command | Uninstall all other phone drivers (Samsung, Xiaomi). Use USB 2.0 port, not USB 3.0. | | S_DA_LAST_ERROR (0xC67) | DA download failure | Use SP Flash Tool version 5.19 or older. Newer versions block MT6261. | | ERROR: STATUS_EXT_RAM_EXCEPTION | RAM init failed | Your scatter file is corrupted. Redownload firmware. | | BROM ERROR: S_FT_ENABLE_DRAM_FAIL | Preloader incompatible | Flash using mode instead of Download. | | Phone stays dead after flash | No power | You flashed a preloader from a different hardware revision. Restore original preloader via hardware BROM mode (requires jumper wire on testpoints). | nokia ta 1203 flash file