: Works well for local MP4 playback or simple music apps.
Updating to the 4.4.2 firmware version provides several performance and functional advantages over older versions like Jelly Bean: Top 5 Features Of Android Kitkat 4.4.2 Rockchip Rk3026 4.4.2 Firmware
(some devices use Volume Down or a "Reset" pinhole) while plugging it into the PC via USB. : Works well for local MP4 playback or simple music apps
If you have a working tablet, you can use RKAndroidTool or rkdump to read the current firmware partitions and back them up to your PC. This is the safest way to get a copy of your exact firmware. Rockchip Rk3026 4.4.2 Firmware