Lingo N21- How to Factory Reset/Clear Pairing History

Conducting a factory reset on the Lingo N21 will clear all past pairing data and restore the product's settings to default. You may want to reset it if you have trouble pairing it with your device.

Step 1: Power on the Lingo N21

Step 2: Press and hold the "+" and the "-" buttons on Lingo N21 together for 5 seconds till the LED indicator be solid blue & red simultaneously for 1 second (looks pink). It should then go into pairing mode and the indicator will alternate between flashing RED & BLUE.