iCloud
but iPhone from hand after month and update iPhone is locked for different iCloud
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If this is a used device, you will need to contact the previous owner to have them log out of iCloud or go to https://www.icloud.com/find/ My Phone and erase the device, then remove it from their account. If you can’t do that, the device is useless.
Turn off Activation Lock - Apple Support.
If necessary, if you are the original owner, contact Apple ID Support. Apple Support will need to see the original purchase receipt with the serial number/paperwork.
Apple ID - Official Apple Support.
Contact Apple for help with Apple ID account security - Apple Support. (Link doesn’t always load)
Get Support Work through the screens to get a chat option.
