De RKBatchTool is op diverse plekken op internet te vinden (google het maar eens), hier op 1 pagina bij elkaar.
Features of RockChip Batch Tool
Flash Stock Firmware
It allows you to flash stock firmware on RK29, RK30, RK31 Chipset Devices. Simply, Launch the RockChip Tool on your computer, then add the firmware in the tool. After adding the firmware, connect your device to the computer and Click on the Upgrade or Restore button in RockChip Tool to begin Flashing.
The overall interface of RockChip Tool is bit easy. It allows you to get the basic information about the firmware, once it is loaded in the tool, including the Firmware Version, Firmware Time, Support Chip, Boot Version and Boot Time.
You can also flash or upgrade multiple devices at the same time. Simply Load all the devices to the computer, and RockChip can detect multiple devices automatically. Once your multiple devices is detected, simply Click on the Upgrade or Restore to perform the multiple upgrade.