Because these devices are often unbranded or "white-label," there isn't one single manufacturer website. You can find the .img files on the following reputable firmware repositories:
Download and install the . Extract the folder and run DriverInstall.exe . This ensures your computer communicates with the RK322XBOX in "Loader Mode." Step 2: Load the Firmware
Open . Click on the three dots (...) button and select the rk322xbox_7.1.2_nhg47k.img file you downloaded. Step 3: Connect in Maskrom/Loader Mode This is the trickiest part. Keep the power adapter unplugged .