If you can tell me the you are trying to unlock, I can give you more specific steps or tell you if this version (1.3.1) is suitable.
As a free, unauthorized flashing tool, it should be used with caution: If you can tell me the you are
Note: Newer devices might require the MTK Client V6 loader option . Usage Instructions unauthorized flashing tool
Disclaimer: This tool is intended for repair purposes only. Misuse can lead to device damage. If you can tell me the you are