Dear Friends,
If You Forgets Mobile Anti-Theft PIN.
If You See On Screen Like This "Please Enter The Privacy Protection Password To Unlock"
Even You Flash Phone By Firmware->Upgrade Or Download. But Password Will Not Remove.
So Here Is Simple & Easy Solution.
Must Be Select Correct Firmware, Wrong Firmware Can Be Brick The Phone !!!
Use This Flash Tool : SP_Flash_Tool_v5.1420.03 Or Higher Version
First Select Scatter Of Flash File.
Then Select "Format All + Download"
After Full Flash IMEI Invalid. You Can Repair IMEI By Maui META 3G.