HT4186 - How to Factory Reset/Clear Pairing History? – Avantree Support

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HT4186 – How to Factory Reset / Clear Pairing History

Reset the HT4186 if the headphones and transmitter no longer reconnect automatically.

Important: Reset BOTH parts separately.

Turn the Audikast Plus transmitter ON.

Press and hold + and − together for about 7 seconds.

If your transmitter does not have + and − buttons, press and hold A / 1 and B / 2 together for about 7 seconds.

Both Bluetooth indicators turn PINK, then turn OFF = Reset successful

After the reset, the Bluetooth indicator next to A / 1 starts flashing red and blue. Then turn the transmitter OFF.

Flashing RED & BLUE = Pairing mode

PINK for about 2 seconds

Solid RED for about 2 seconds → OFF = Reset complete

Transmitter A / 1 = Solid BLUE

NB16 headphones = Solid BLUE + “Connected”

Both Were Reset but Do Not Reconnect

Turn Bluetooth OFF on nearby phones, tablets, computers, and TVs previously connected to the NB16.
Keep the headphones close to the transmitter.
Turn the transmitter OFF and back ON.
Turn the headphones OFF and back ON.
Wait 5–10 seconds.

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