Download latest Android 4.2.2 Stock Firmware for Vido N70 3G / YuanDao N70 3G tablet from here or here. Download another Vido / YuanDao firmwares from here.
Update file name: N70 3G-A4.2-20140805-CZ
Archive size: 445 MB
Firmware: YD_MR706Z_0805
Model: Vido N70 3G CZ / YuanDao N70 CZ tablet
Firmware: YD_MR706Z_0805
Model: Vido N70 3G CZ / YuanDao N70 CZ tablet
config_version: V1.1.1
Platform: Mediatek MT6582
Project: mr706
Baseband: MT6582_S00_MOLY_WR8_W1315_MD_WG_MP_V18_1_wg_n
Baseband: MT6582_S00_MOLY_WR8_W1315_MD_WG_MP_V18_1_wg_n