How to Reset a Fitbit Flex and Fitbit Flex 2

You’ll need a paperclip, the Flex charger, your computer, and a working USB port. To reset a Fitbit Flex device to factory settings:

Turn on your computer and bend the paperclip into an S shape before beginning. Remove the pebble from the Fitbit. Insert the pebble into the charging cable. Connect the Flex charger/cradle to the PC’s USB port. Locate the small, black hole in the pebble. Put the paperclip in there, and press and hold for about 3 seconds. Remove the paperclip. The Fitbit will ​light up and go through the reset process.  

How to Reset Fitbit Charge and Charge HR

You’ll need your Fitbit device, the charging cable, and a working USB port to get started. To reset a Fitbit Charge device to factory settings:

Attach the charging cable to the Fitbit and then connect this to an available, powered-on USB port. Locate the button available on the Fitbit and hold it down for approximately two seconds.  Without letting go of that button, remove your Fitbit from the charging cable. Continue to hold down the button for 7 seconds. Let go of the button and then press it again and hold. When you see the word ALT and a screen flash, let go of the button. Press the button again. When you feel a vibration, let go of the button. Press the button again. When you see the word ERROR, let go of the button. Press the button again. When you see the word ERASE, let go of the button. The device will turn itself off. Turn the Fitbit back on.

How to Reset a Fitbit Blaze or Fitbit Surge

The Fitbit Blaze doesn’t have a factory reset option. To remove a Fitbit Blaze or FitBit Surge from your Fitbit account:

Visit the Fitbit site and log in. From the Dashboard, click the device you’d like to remove. Scroll down to the bottom of the page. Click Remove This Fitbit (Blaze or Surge) From Your Account and click OK. Now you’ll need to go to your phone’s Settings area, click Bluetooth. Locate the device and click it, and then opt to forget the device.

How to Reset a Fitbit Ionic and Fitbit Versa

Newer Fitbits have the option to reset the device using your phone’s settings. To remove a Fitbit Ionic or FitBit Versa from your Fitbit account:

Visit the Fitbit site and log in. From the Dashboard, click the device you’d like to remove. Scroll down to the bottom of the page. Click Remove This Fitbit (Ionic or Versa) From Your Account and click OK. Now you’ll need to go to your phone’s Settings area, click Bluetooth, locate the device and click it, and then opt to forget the device. Finally, click Settings > About > Factory Reset and follow the prompts to return your device to factory settings.