DOWNLOAD LATEST KIKTKAT STOCK FIRMWARE FOR ONDA V989 OCTA CORE TABLET

Download V989 Core8_v2.1.3_v1.zip from here or here. 
Download V989 Core8_v2.1.3_v2.zip from here or here. 
Download V989 Core8_v2.1.3_v3.zip from here or here. 
Download V989 Core8_v2.1.3_v4.zip from here or here. 

Download a previous firmware from here.Downloa Android Lollipop from here.

  
Firmware： V989 Core8_v2.1.3
Image: V989 Core8_v2.1.3_v1 / v2 /v3 /v4 
Model： Onda V989 Octa Core Tablet 
Image file size: 527 MB
Platform: Allwinner A31s
Build number: kylin_mb976a9-user 4.4.2 KVT49L 20150121 test-keys
FW version: v2.1.3_v2

Onda V989 Octa Core Tablet Specs

CPU: A31s Quad Core
GPU: Power VR SGX544
RAM     1GB,DDR3
Storage  16GB
Screen: G+G Capacitive Touchscreen, 1024*768 High-resolution Screen
Size:   9.7 inch
Display:  HD TFT Screen
Resolution:    1024*768 Pixels
Visible Angle: 178°
Dual Camera     Front camera, 2.0 Megapixels  Back camera, 2.0 Megapixels