Tips: MTK6752 read screenlock operation without usb debugging, w/o root, w/o userdata loss problem!

How to read screenlock(Pattern, PIN, Password):
1. Power off the phone (Remove battery and disconnect usb cable)
2. Choose "Screen Lock" and then check "Read ScreenLock" option
3. Click "Start"
4. Connect phone wait reading password
5. Power on the phone enter the password

Keywords: MTK, MTK6752, Read screenlock, Password lock,  w/o usb debug, w/o root, w/o userdata loss, Lenovo A938T