Alpie 7 firmware need.

Hi friends someone have firmware for this tab, give error: Encryption failed

Alpie 7
Processor: ATM7013 , Cortex A8 1.2GHZ
Syst. Operating: android 4.0.3 Ice Cream Sandwich

Battery: Litio 2200mAh
dimensions: 182.5mm x 121.5mm x 11.5mm
Peso: 295g
Schermo: TFT diagonal 7 "
Risoluzione: 800 x 480 pixel
Touch Screen: Capacitive multi-touch high sensitivity

Support: Flash Player 11.1
Support: Schede MicroSD until 32GB
Support: Video 3D e HD until 2160P
front Cam: 0.3 Megapixel
Back Cam: 0.3 Megapixel