Different models can cause critical damage in phone system storage. Be sure that you have the right model to be flashed. Warning: This software is for MK802 using Android 4.0.4 Firmware. If you don' t know what root or what ClockworkMod Recovery is then you should not use this app. This program requires root permission, busybox and Android 4.0.4 to work. MK802 4.0.4 (Firmware rev2) ClockWorkMod Recovery installation