How do I factory reset my brokers old phone

Buncin wrote:

Where would he do that?

How to remove Activation Lock

Learn what to do if you see the Activation Lock screen on your device, or if you're asked to remove Activation Lock on a device that's offline and not in your possession.

Remove Activation Lock on the device

Follow the onscreen steps to enter the Apple ID and password you used to set up your device or your device passcode.

Learn how to find your Apple ID or reset your Apple ID password.

Remove Activation Lock on the web if a device is offline

1. Go to www.iCloud.com/find.
2. Sign in with your Apple ID and password.
3. At the top, click All Devices.
4. Select the device that you want to remove from iCloud.
5. Click Remove from Account.

Start a support request

If you need help removing Activation Lock and have proof of purchase documentation, you can start an Activation Lock support request.

He will need to unlock it first before you can use it.

How to remove Activation Lock

Then he'll need to start a support request to unlock as per the support document.

Same link: How to remove Activation Lock