Did you accidentally forget a Bluetooth device in your iPhone's Bluetooth settings? While there is no option to "Unforget" a device, there are some easy things you can do to re-establish a connection with your Bluetooth headset, speaker, or other device. This wikiHow article teaches you everything you need to know about how reconnect a forgotten Bluetooth device on iPhone.

Things You Should Know

  • Forgetting a Bluetooth device removes the device from your iPhone's saved Bluetooth devices.
  • If your iPhone has forgotten a Bluetooth device, you should be able to re-add it through the normal pairing process.
  • If you cannot reconnect, try disabling and re-enabling Bluetooth, and ensure that the device isn't already connected to another phone or computer.
Section 1 of 4:

What happens when you forget a Bluetooth device?

Section 2 of 4:

Reconnect to Forgotten Bluetooth Device

  1. 1
    Put the Bluetooth device in pairing mode. This way you do this will vary from one one device to another. Generally, there is a button on the Bluetooth device that you press and hold to put it in pairing mode. There will be a flashing light or audio queue to indicate the device is in pairing mode.
    • Consult the Bluetooth product's user manual or the manufacturer's website for specific instructions for your device.
  2. 2
  3. 3
  4. 4
    Ensure Bluetooth is turned on. Check the toggle switch at the top of the Bluetooth menu. If it is not green, tap the toggle switch to turn on Bluetooth.
  5. 5
    Tap the Bluetooth device you want to reconnect. If it is still in pairing mode, it should be listed below "Other Devices" at the bottom of the Bluetooth menu. This will establish a connection with the Bluetooth device.[1]
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Section 3 of 4:

Troubleshooting Bluetooth Connection Problems

  1. 1
    Make sure your iPhone and Bluetooth device are close together. Bluetooth is a radio frequency that has a limited range. If the Bluetooth device is too far away from your iPhone, your iPhone will not be able to pick up the pairing signal. Make sure your Bluetooth device and iPhone are near each other.
  2. 2
    Make sure the Bluetooth device is still in pairing mode. Most Bluetooth devices will stay in pairing mode for just a few seconds. You may need to turn off and restart the Bluetooth device or press and hold its pairing button to get it back into pairing mode.
  3. 3
    Turn Bluetooth off and then back on. To do so, open the Bluetooth menu in the Settings menu. Tap the toggle switch at the top the turn Bluetooth off. Then wait a few seconds and tap it again to turn Bluetooth back on. See if you are able to reconnect with your Bluetooth device.
  4. 4
    Restart your iPhone. If your iPhone is not picking up your Bluetooth device, press and hold the power button until you see the power off screen. Swipe to toggle switch on the screen to power off your iPhone. Wait about 20 seconds and then press the power button to power your iPhone back on. Then check to see if your iPhone is able to pick up your Bluetooth device.
  5. 5
    Make sure the Bluetooth device has a fully charged battery. If the Bluetooth device is low on battery, it may not be able to produce a strong enough Bluetooth signal to establish a connection. Make sure it has a fresh battery or fully charged battery before trying to connect it to your iPhone.
  6. 6
    Try connecting your iPhone to other Bluetooth devices. If your iPhone is able to connect to other Bluetooth devices, this could be an indication that there is a problem with the particular Bluetooth device that you are trying to connect to. It could be that the Bluetooth device is malfunctioning.
  7. 7
    Try connecting the Bluetooth device to another device. If the Bluetooth device is able to connect to other devices, such as a computer, tablet, or another smartphone, but is not connecting to your iPhone. This could be an indication that there is a problem with your iPhone.
  8. 8
    Update your iPhone. Updating to the latest version of iOS may fix any connection issues your iPhone is having. Use the following steps to update your iPhone:
    • Open the Settings menu.
    • Tap General.
    • Tap Software Update
    • Tap Download and Install if a new version of iOS is found.
  9. 9
    Update the Firmware on your Bluetooth device. Some Bluetooth devices may have firmware that needs updating from time to time. Generally, you will need to connect the device to a computer and download the updated firmware from the manufacturer's website. Consult the user's manual or manufacturer's website for more information about how to update the firmware on your Bluetooth device, if it needs updating.
  10. 10
    Disconnect the Bluetooth device from other devices. If the Bluetooth device is paired with other devices, such as computers, tablets, or other smartphones, try forgetting the Bluetooth device on those other devices and then try reconnecting it to your iPhone.[2]
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Section 4 of 4:

Reset Your iPhone's Network Settings

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  2. 2
    Tap General. It's next to an icon that resembles a single silver gear in the Settings menu.
  3. 3
    Scroll down and tap Transfer or Reset iPhone or Reset. It's the second option from the bottom of the General Settings menu. If you are using iOS 15 or later, it will say Transfer or Reset iPhone. If you are using iOS 14 or earlier, it will say Reset.[3]
  4. 4
    Tap Reset (iOS 15 or later only). If you are using the latest version of iOS, scroll down to the bottom and tap Reset to display a pop-up menu.
  5. 5
    Tap Reset Network Settings. If you are using iOS 15, it is the second option in the pop-up menu. If you are using iOS 14 or earlier, it will be at the bottom of the Reset menu.
  6. 6
    Enter your passcode. You will need to enter your passcode before you can reset your network settings. Use the keypad to enter the passcode you use to log into your iPhone.
  7. 7
    Tap Reset. It's the red button in the pop-up. This confirms that you want to reset your network settings and resets your network settings. This may take a few minutes. You will see the Apple logo once the process is finished. Then you can try to reconnect to Wi-Fi and then reconnect all your Bluetooth devices.
    • If this doesn't work, you can hard resetting your iPhone. This will erase all data on your iPhone and restore it to its factory settings. Only do this as a last resort. You may also want to try to see if your iPhone is under warranty so that it can be replaced.
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About This Article

Stan Kats
Written by:
Cybersecurity Expert
This article was written by Stan Kats and by wikiHow staff writer, Travis Boylls. Stan Kats is the COO and Chief Technologist for The STG IT Consulting Group in West Hollywood, California. Stan provides comprehensive technology & cybersecurity solutions to businesses through managed IT services, and for individuals through his consumer service business, Stan's Tech Garage. Stan has over 7 years of cybersecurity experience, holding senior positions in information security at General Motors, AIG, and Aramark over his career. Stan received a BA in International Relations from The University of Southern California. This article has been viewed 98,653 times.
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Co-authors: 3
Updated: February 13, 2023
Views: 98,653
Categories: IPhone
Article SummaryX

1. Try reconnecting the Bluetooth device.
2. Turn Bluetooth off and then back on.
3. Make sure the Bluetooth device and iPhone are near each other.
4. Make sure the Bluetooth device is fully charged.
5. Update the software on your Bluetooth device and iPhone.
6. Disconnect your Bluetooth device from other devices.
7. Reset your iPhone's network settings.

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