- From the Home screen, choose Settings.
- Toggle on Bluetooth.
- Next to the Bluetooth device, you wish to forget, tap the information I symbol.
- Select Forget This Device from the drop-down menu.
- To confirm the action, tap Forget Device if asked.
Under My Devices under the Settings-> Bluetooth menu, the selected device should no longer be shown. Restart your iPhone and try pairing or connecting to your Bluetooth devices again. Make that the device is within the stated range from your iPhone, is powered on, and is in discoverable mode.