Download Android KitKat 4.4.2 Stock Firmware for Vido M80 / YuanDao M80 tablet ZZ version model from here or here. Download firmware for other versions from here.
Update file name: M80-4.4-20140905-ZZ
Image: M80-4.4-20140905-ZZ刷机固件+量产工具+操作指导
Archive size: 458 MB
Model: Vido M80 / YuanDao M80 tablet ZZ model
Model: Vido M80 / YuanDao M80 tablet ZZ model
Config_version: V1.1.2
Platform: Mediatek MT8127
Project: esky27_tb_ccn_kk