: The RK Batch Tool v1.8 or FactoryTool v1.64 are the standard applications used for flashing .img firmware files to Rockchip devices. RK322x Firmware 8.1 Download
While holding the button, connect the TV box to your PC using the USB male-to-male cable via the (often the port closest to the HDMI/Ethernet stack).
: Download the Rockchip Driver Assistant v5.1.1 to ensure your PC recognizes the device in "Maskrom" or "Loader" mode.
: After the tool shows a "Success" message, disconnect the cable and power on the device. Note that the first boot after a flash can take up to 10 minutes.
Use a toothpick to press and hold the hidden (usually found inside the AV jack).
: A Windows-based PC, a USB Type-A to Type-A (male-to-male) cable, and a toothpick or paperclip for the reset button.
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