Download latest Android KitKat 4.4.2 stock firmware for Colorfly E708 Q1 tablet from here or from here.
Archive： Colorfly E708 Q1 4.4.2 fw
Firmware image file: E708 Q1_SV4.07_CQL_20140418.img
Model： Colorfly E708 Q1 tablet
Image file size: 328 MB
Platform: Allwinner A31S
Build number: fiber_colorfly 4.4.2 KOT49H 20140418 test-keys
FW version: E708 Q1_SV4.07_CQL_20140418
Pixels: 800 x 1280
Caution: Please do not update firmware unless you know what you are doing, you really want it or it is absolutely necessary. Firmware updates may occasionally have bad results, like bricking your device, temporarily or permanently. The firmware update process is done entirely at your own risk. Before attempting to update the firmware, back up your data.