Sp Flash Tool Unlock Bootloader -

| Factor | Status | |--------|--------| | Works on all MTK devices? | No – depends on bootloader design and security (SBC, DAA, SLA). | | Requires scatter file | Yes – must match exact device firmware. | | Data wipe | Yes – unlocking triggers factory reset (security feature). | | Warranty void | Typically yes. | | Success rate | High on older MT67xx/MT81xx; mixed on MT68xx/MT69xx with secure boot. |

SP Flash Tool is not a dedicated bootloader unlocker but can be cleverly used to modify low-level partitions to achieve unlock only on older/exploitable MediaTek chips . For modern devices, use official fastboot or MTK Client instead. sp flash tool unlock bootloader