Download Android 7.1 stock firmware for R-Box Pro TV Box with Q6330 WiFi chip from here, here or here. Download Android 7.1 stock firmware for R-Box Pro TV Box with 9377 WiFi chip from here or here. Download previous firmware from here. Download Amlogic USB Burning Tool v2.0.8 from here or download Amlogic Burn_Card_Maker v2.0.2 from here.
Archive: R-TV Box Pro Firmware+Tool+Flash instruction / R-BOXPro3G-q6330_Android_7.1_170901.img
Model: R-Box Pro TV Box
Image file size: 645 MB / 618 MB
Platform: Amlogic S912
Image name: s912_ui02_rtvbox_9377_mac_20170912.img / R-BOXPro3G-q6330_Android_7.1_170901.img
Inside archiveȘ firmware + Tool + Flash instruction
Caution: Please do not update firmware unless you know what you are doing, you really want it or it is absolutely necessary. Firmware updates may occasionally have bad results, like bricking your device, temporarily or permanently. The firmware update process is done entirely at your own risk. Before attempting to update the firmware, back up your data.