First download Aroma File Manger Zip from Google
Copy the zip into your sdcard, then reboot your device into recovery mode. Choose install from sdcard, then select the AROMA Filemanager ZIP. The file manager will starting, and you are ready to managing your filesystem (copy, cut, delete, make new folder, etc) while you are in recovery.
Then go to data/system/ and delete all .key files and reboot your device
Done ?...
Copy the zip into your sdcard, then reboot your device into recovery mode. Choose install from sdcard, then select the AROMA Filemanager ZIP. The file manager will starting, and you are ready to managing your filesystem (copy, cut, delete, make new folder, etc) while you are in recovery.
Then go to data/system/ and delete all .key files and reboot your device
Done ?...