Download latest Android KitKat 4.4.2 Stock Firmware for Vido N70 / YuanDao N70 quad core tablet ZZ model from here or here. Download another Vido / YuanDao firmwares from here.
Update file name: N70-4.4-20141218-ZZ
Archive size: 304 MB
Firmware: 沃尔玛 N70四核版-4.4-20141218-ZZ
Model: Vido N70 / YuanDao N70 quad core tablet ZZ model
Firmware: 沃尔玛 N70四核版-4.4-20141218-ZZ
Model: Vido N70 / YuanDao N70 quad core tablet ZZ model
Platform: Rockchip RK3188
Boot version: 2.19
FW version: 4.4.02
FW version: 4.4.02