Download latest Android KitKat 4 4 4 stock firmware for Onda V820w DualOS tablet Download Download latest Android KitKat 4.4.4 stock firmware for Onda V820w DualOS tablet from here or here. Download previous firmware from here. Download BIOS file for this tablet from here. Download another Onda firmware from here. Firmware details Archive? V820W DualOS_android_V5_20160116 Firmware: Android KitKat 4.4.4 Model: Onda V820w DualOS 32GB tablet Image file size: 50 5 MB Platform: Intel Bay Trail Z3735F Inside a rchive: firmware + iSocUSB-Driver-Setup-1.2.0 +IntelAndroidDrvSetup1.5.0 + ManufacturingFlashTool_Setup_6.0.43 + ????????_For_Android.doc 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, ...