how can i log out of icloud from a broken phone
how can i turn off find my phone if the device is broken
iPhone 11, iOS 14
See this guide:
How to remove Activation Lock - Apple Support
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Remove Activation Lock on the web if a device is offline
- Go to www.iCloud.com/find.
- Sign in with your Apple ID and password.
- At the top, click All Devices.
- Select the device that you want to remove from iCloud.
- Click Remove from Account.
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Good luck!