Android (iOS instructions are below):

Important: There must be an active connection, meaning that you are able to ring the Chipolo from your device (bell icon). Please note that if your Chipolo Plus has no more battery life, you don't need this active connection. 

• Go to the Chipolo detail view of the Chipolo you wish to remove;
• Tap on the settings button (3 little dots);
  
• Tap on 'Customize <Chipolo name>';
  
• Scroll down and tap on 'Remove Chipolo';
• If you have no active connection you will now receive a warning notification (if you continue the Chipolo will be 'locked' and only pairable with your account).
• If you have an active connection please select 'yes' to confirm the removal.
• 

The Chipolo now has been unpaired from your account.

Note: On the new device, if already was logged in you need to log out and log in again to see the changes made server side (In short: To be able to pair Chipolo to a new account). 

iOS:

Important: There must be an active connection, meaning that you are able to ring the Chipolo from your device (green ring text). Please note that if your Chipolo Plus has no more battery life, you don't need this active connection. 

• Open the Chipolo application;
  
• Go to the Chipolo detail view of the Chipolo you wish to remove, and tap 'settings' (3 little dots);
  
• Tap on 'Customize <Chipolo name>';
  
• Scroll down and tap on 'Remove Chipolo';
  
• If you have no active connection you will now receive a warning notification (if you continue the Chipolo will be 'locked' and only pairable with your account).
• If you have an active connection please select 'yes' to confirm the removal.
  
  
  

The Chipolo now has been unpaired from your account.

Note: On the new device, if already was logged in you need to log out and log in again to see the changes made server side (In short: To be able to pair Chipolo to a new account).