Frequently Asked Question

How to perform RK25 Fastboot mode to change/upgrade OS image.

1. Please Power off the RK 25, and connect to computer while pressing volume down (If you are using a general micro USB cable), It will enter Fastboot mode as following picture.

2. On the computer, check the device is showing on device manager
If the device is with exclamation mark, you need to install the driver. [attached:RK25 driver]

3. Execute fastboot_flash_all.bat from RK25’s image folder.

4. Type "1" then enter (unless for testing purpose, data should be erase)

5. You will see the program detect the device and count down for 5 seconds. You can press a key to avoid waiting.

6. The program is processing, it will take about 3~4 minutes

7. When the process is done, it will show the following message.