Archive name: Lenovohome_S850_70_Lang_VIBE2.0_4.4.2_APP_ROM
Firmware image: Lenovohome_S850_70_Lang_VIBE2.0_4.4.2_APP_ROM
FW version: Android KitKat 4.4.2 stock
Archive file size: 560 MB
Model: Lenovo S850 smartphone
Platform: Mediatek MT6582
Caution: Please do not update firmware unless you know what you are doing, you really want it or it is absolutely necessary. Firmware updates may occasionally have bad results, like bricking your device, temporarily or permanently. The firmware update process is done entirely at your own risk. Before attempting to update the firmware, back up your data.