Step-by-step instruction
Supported since version 2.22
-select "Meilan M6"
-select "Remove account"
-connect the switched off phone with the volume+ button held down to the cable
If after this the phone will be constantly rebooted
-go into the recovery and press 5 times the volume+ button up and then 5 times the volume- button
-You will enter the special reset menu, select the "Clear"
-If this does not help update the phone in recovery via update.zip
You will be able to log in with a new account.