Download Android KitKat 4.4.2 stock firmware for S01 tablet from here or here. Download previous firmware from here.
Archive size: 424 MB
Support: Allwinner A33
FW version: v2.0
Pixels: 1024 X 600
Build number: astar_y3-eng 4.4.2 KVT49L 20160521 test-keys
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.
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