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1¡¢You need to use your Android phone to complete the firmware update.
2¡¢First of all, install "Firmware Update APP" on your Android phone. Place the "Firmware files".dat file in the Android phone, you need to remember the path of the .dat file.
3¡¢Connect the Android phone with Bluetooth remote control.
4¡¢Open the installed APP, click "Download Firmware Upgrade" in Step1, select "Local File Management", and find the "Firmware files".dat file placed in Step2. "
5. Click "Select Device & Start Upgrade" in Step3, select the Bluetooth remote control device that has been paired.