SP Flash Tool, also known as SmartPhone Flash Tool, is a popular software tool used for flashing and unlocking bootloaders on smartphones, particularly those based on MediaTek (MTK) chipsets. Developed by a Chinese company, the tool has gained widespread popularity among Android enthusiasts and developers due to its ease of use and effectiveness.
Incorrect partition flashing can render your phone permanently unusable. Prerequisites
Navigate to your stock ROM folder and select the MTxxxx_Android_scatter.txt file. Step 3: Uncheck Partitions (Safety) Do not flash everything. Look at the list of partitions.
In the field, click choose and browse to your device's stock firmware folder. Select the Android scatter text file (e.g., MT67xx_Android_scatter.txt ). sp flash tool unlock bootloader
Ultimate Guide: Using SP Flash Tool to Unlock Bootloader on MediaTek (MTK) Devices (2026 Edition)
This indicates a checksum mismatch. Go to SP Flash Tool Options > Connection, and toggle the Checksum settings, or ensure you are using the correct firmware files.
Note: This is the most common method for older or budget MTK devices. Modern Android 13+ devices may require alternative, manufacturer-specific unlocking methods. SP Flash Tool, also known as SmartPhone Flash
On Sony and some other devices, unlocking the bootloader triggers a permanent destruction of DRM keys stored in the TA (Trim Area) partition. This results in:
Copy the and Partition Size from the text file.
A: Very unlikely. New security features (like ARM TrustZone + MediaTek’s TEE) prevent unauthorized DA loading. You’ll need a paid service or official unlock. Prerequisites Navigate to your stock ROM folder and
It is an official tool used to update, install, or unbrick firmware (Stock ROMs) on MediaTek-based smartphones.
You may have flashed the wrong seccfg or boot image. Use SP Flash Tool to flash the original stock seccfg or the entire stock firmware to restore it. Conclusion
In the world of Android customization, unlocking the bootloader is the gateway to root access, custom ROMs, kernel tweaks, and system-level modifications. For most Qualcomm devices, the process typically involves fastboot commands like fastboot oem unlock . However, for powered devices, the journey is often more complex. This is where SP Flash Tool (SmartPhone Flash Tool) becomes an indispensable utility.
Here is an example of how a dedicated unlock tool (like the one for Moto G05) works: