ATV400

CPU:          ARM Contex A9*2, 1.5GHz
RAM:          1G
NAND Flash:   2G-32G
Power:        5V 

Cache Wipe Failed

Here is yet another 101 video on how to master reset your MyGica ATV1200

Why Hard Reset:

 1. If your box is not functioning properly

 2. Having a lot of issue with your apps

 3. WiFi is not connecting

 4. screen freezing a lot

 5. You want to give the box to someone for good and want everything wiped

Enabling Developer Options

1. First Select Settings.

2. Scroll Down and Select Developers Option

3. Select USB debugging, and Click ok

XBMC shrank, or not full-size display

We have Video Walk through for this too