iCloud System PIN Code and Apple T2 Security chip

Different brands offer their superior protection of gadgets to prevent a device's usage by someone rather than the owner. For example, Apple computers equipped with the T2 security chip have an iCloud System PIN Lock feature.

This PIN lock is not the same thing as an EFI firmware password lock or iCloud Activation Lock. The System Lock PIN Code on iCloud Find My Mac locked devices is a different type of protection.

So, what is this iCloud System Lock PIN passcode?

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The PIN is offered within the iCloud lock protection on macOS devices. Whenever your locked computer asks you for the System Lock PIN password, you must enter the PIN number. Otherwise, you will not unlock your computer.

You turn on the PIN protection when you enable the Find My Mac tool, and the computer is either reported lost via iCloud or gets erased.

Users whose computer has iCloud System PIN turned on are not able to perform many actions. It becomes impossible to restore the computer, recover it, reboot it from USB, use the features of Thunderbolt and FireWire that allow connecting from one Mac to the other in Target Mode.

System Information For Mac

In many ways, iCloud System PIN code has a lot in common with the EFI password lock. However, it is still a different passcode related to the iCloud account. It is possible to disable the PIN code via your iCloud account, from which your computer was locked.

Mac System Report

What should you do if you cannot access the iCloud account, which has enabled the PIN code lock on your Mac computer?

Use CheckM8 Unlock iCloud System Pin Lock software to remove the PIN protection. However, remember that after PIN is unlocked, your Mac Activation Lock will not go away.

The CheckM8 tool can unlock your iCloud System PIN and let you get to the login screen on a Mac. Assuming you know the login credentials, you will get a chance to recover your files from the computer and use your data.

Mac Download Software

The CheckM8 software can remove the PIN code lock on macOS computers with the Apple T2 security chip. It supports Mac Mini, MacBook Air, iMac Pro, Mac Pro, MacBook Pro, and iMac.