- Please use a small needle to thorn the hole on both TX and RX to reset the device.
- Please long-press the mute button of RX when it is in the box to check if the firmware version is the latest, and upgrad the firmware to the latest.
- Please fill out the form below to submit your problem to us if all operations above you have done.
NOTE:
1. Replace the device if the purchase time is less than 15 days and non-human damage.
2. Replace or repair the device acccording the situation of customer if the purchase time during 15~30 days.
3. Send the device to us for repair if the the purchase time over 30 days.