Lingo N21 – Can’t Pair with My Bluetooth Device
If your Lingo N21 does not appear or will not connect, follow these steps.
Step 1 – Put Lingo N21 in Pairing Mode
- Start with the Lingo N21 OFF.
- Press and hold the MFB / Power button for 5 seconds.
- Keep holding after it turns ON.
Step 2 – Connect Your Device
- Open Bluetooth Settings on your phone, tablet, or computer.
- Turn Bluetooth ON.
- Select Lingo N21.
- Wait for it to connect.
Something Doesn’t Look Right?
Lingo N21 Does Not Appear
First check the headset. You must see:
- Turn the Lingo N21 OFF.
- Hold the MFB for 5 seconds.
- Keep holding until RED & BLUE start flashing.
- Search for Lingo N21 again.
Lingo N21 Appears but Won’t Connect
- Find Lingo N21 in your Bluetooth settings.
- Select Forget / Remove / Unpair.
- Put the headset back into pairing mode.
- Select Lingo N21 again.
Headset Keeps Connecting to Another Device
Turn Bluetooth OFF on nearby phones, tablets, or computers that previously used the Lingo N21. Then put the headset into RED & BLUE flashing pairing mode and connect the device you want.
Still Won’t Pair? Reset the Headset
With the Lingo N21 ON, press and hold Volume + and Volume − together for about 5 seconds. Keep holding until the red and blue lights appear together briefly. This may look PINK.
On your phone or computer, forget the old Lingo N21 entry, then select Lingo N21 again.
Open Reset GuideNo LED Light
Charge the Lingo N21 first. Once it can turn ON normally, try pairing again.
Need More Lingo N21 Help?
See all setup and troubleshooting guides for this product.
View Lingo N21 SupportStill Can’t Connect?
Contact Avantree Support and tell us your phone, tablet, or computer brand and model, whether the Lingo N21 flashes RED & BLUE, and whether it appears in the Bluetooth list.
Contact Avantree Support
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