What does Locked on iCloud free mean?

Apple introduces “iCloud Activation Lock” in 2014.

When an Apple device like iPhone, iPad, or iPod touch is locked on iCloud means that this device is still linked to the previous owner account.

To be able to use any iPhone, iPad, or iPod touch you should enter your Apple Id(Email and password).

It is mandatory before buying an iPhone to double-check that the owner has reset the iPhone to factory settings or removed his Apple iCloud’ s account(make sure that “Find My [device]” is off.

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