| 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. |

The journey to using the SP Flash Tool for bootloader unlocking is complex, but the reward is gaining complete control over your MediaTek Android device. It is the ultimate utility for repairing, restoring, and modifying MTK-powered phones. While , it serves an invaluable role in the ecosystem: it unbricks devices to make unlocking possible, it downgrades firmware to allow exploit-based unlocks, and it flashes the custom files you need once the bootloader is unlocked.

Once the flashing or formatting process completes, a green circle with a checkmark () will appear on the screen. Disconnect the USB cable from the device. Hold down the Power button to reboot the system.

Install the latest MediaTek VCOM drivers on your Windows PC to ensure the computer recognizes your phone in preloader mode.

If your device has SLA or DAA protection, a standard flash will fail. This is where a bypass utility comes in. Run a tool like MTK Bypass Utility as an administrator on your PC.

Once SP Flash Tool displays a green checkmark indicating , unplug your device. Hold the Power button to turn it on.