| Chipset | Unlock via SP Flash Tool | Notes | |---------|--------------------------|-------| | MT65xx/67xx | Full support | Direct write to seccfg works | | MT8163/8173 | Partial | Needs patched DA | | MT6762/6765 | Yes | Auth file required | | MT6785/G90T | Limited | Must use Write Memory | | MT6833/Dimensity 700 | No (new security) | SLA/DAA v3 prevents write | | MT6893/Dimensity 1200 | No | Secure boot + crypto binding |
SP Flash Tool is a low-level flashing utility developed by MediaTek. It communicates with the device’s boot ROM (preloader) via USB to read/write raw partitions like preloader, lk (little kernel), boot, recovery, and system. It is primarily used for: sp flash tool unlock bootloader
Common MediaTek chips: MT6735, MT6750, MT6762, MT6765 (Helio P22), MT6785 (Helio G90), MT6833 (Dimensity 700), etc. Check your device’s specifications via “CPU-Z” or the box label. | Chipset | Unlock via SP Flash Tool
Many MediaTek devices lack a functional fastboot interface, or the manufacturer has disabled fastboot oem unlock. Others have locked bootloaders that reject standard unlock commands. SP Flash Tool can bypass these restrictions by: SP Flash Tool is a low-level flashing utility
| Risk | Description | |------|-------------| | Permanent brick | Wrong preloader = no BROM mode access (need test point recovery). | | Secure boot devices | Unlock requires cryptographic signing; SP Flash alone cannot bypass. | | No standard command | SP Flash Tool has no explicit "unlock bootloader" button – only indirect methods. | | SLA/DAA protection | Some newer MTK devices require authenticated DA; generic DA fails. |
fastboot oem unlock
or
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