Before you buy a new cell phone or new tablet, please try the following procedure to repair your device. First charge your battery, back up your important data if possible and in most cases take out SIM and SD card.
i-Mate JAQ hard reset
Tap 
>
Programs >
Utilities >
Default Settings
please select the data input block
on the right, and
enter the
authorized code in the block to the left. Then
tap OK.