| Tool Name | Best For | Required Mode | |-----------|----------|----------------| | SP Flash Tool (Windows) | Full firmware flashing, scatter file loading | Download / Preloader | | SP Multi-Port Flash Tool | Flashing multiple devices simultaneously | Download mode | | MTK Client (Python) | Bypassing authentication (SLA/DAA) on newer devices | Brom / Preloader | | Odin (not for MTK) | Not applicable | — |
For Android 10+ MT6761 devices (e.g., Redmi 8A), SP Flash Tool will refuse connection without an auth file. If you don’t have one, use MTK Client: Mt6761 Flash Tool
| Error Code | Meaning | Solution |
| --- | --- | --- |
| S_BROM_CMD_SEND_DA_FAIL (0xC0060003) | Preloader handshake timeout | Install correct drivers; use USB 2.0 port; short test points. |
| STATUS_SEC_AUTH_FILE_NEEDED (0xC0050009) | Security auth required | Load auth_sv5.auth (provided with firmware) in SP Flash Tool → Options → Authentication. |
| S_DL_GET_DRAM_SETTING_FAIL (0xC0070004) | DRAM initialization fail | Use a different SPFT version; try MTK Bypass Utility. |
| S_FTHND_FILE_IS_NOT_LOADED | Missing Download Agent | Download MTK_AllInOne_DA.bin and assign in Options → Download Agent. | | Tool Name | Best For | Required