Viewsonic N710


 * instructions


 * 1) root device using root大师
 * 2) connect tablet to your PC (with android sdk tools and drivers installed already)
 * 3) insert external sdcard into tablet, mount it, you have to use externadl sdcard because the recovery image does not recognize the internal /sdcard storage
 * 4) adb push gapps-jb-20121011-signed.zip /sdcard/
 * 5) adb reboot bootloader
 * 6) fastboot flash recovery recovery-109ch-leew.img
 * 7) fastboot reboot
 * 8) hold the "+" (volume up) button while the tablet reboots
 * 9) Choose "Recovery Kernel" when tablet show a list of options