Can you please help me with unlocking my iphone
Can't unlock my iphone
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Has your phone been locked because of a wrong passcode for the Lock screen?
If so, erase it and set it up again, as explained in this article:
If you forgot your iPhone passcode - Apple Support
In case this is about the Activation Lock, Apple can only unlock the device, if you can show them proof of ownership:
Additional Support - Activation Lock