How to update the firmware for remote control? (for Android only)

Below is the instruction for the firmware update, and you could learn more from this video.

How to update the firmware of the Bluetooth Remote Control?

Download the “Onyx DFU-release” APK from here and install it on your Android phone.
Open the “Onyx DFU-release” App on your phone, and select the Bluetooth remote control at the first step.
Make sure that you have opened your phone’s Bluetooth first, and then please kindly click any button on your remote control.
After the phone has paired with the Bluetooth control successfully, click the “Update” button to easily update it to the latest firmware.
Then you could try to repair the remote control with your BOOX device.