Download Android KitKat 4.4.2 stock firmware for S01 tablet

Download Android KitKat 4.4.2 stock firmware for S01 tablet from here or here. 

Firmware details
Archive: sun8iw5p1_android_y3_20160118_193142
Image: sun8iw5p1_android_y3_20160118_193142.img
Archive size: 397 MB
Support: Allwinner A33
FW version: v2.0 
Style: S01
Company: Allwinner
Pixels: 1024 X 600
Build number: S01-201602 / astar_y3-eng 4.4.2 KVT49L 20160118 test-keys

Source