How to Approve iCloud Keychain From Another Device

1. Check if iCloud Keychain is Enabled First

To verify iCloud Keychain whetehr is enabled on iPhone, you just need to go to Settings > [your name] > iCloud (For 10.2 or earlier, tap Settings > iCloud.), tap Keychain and toggle iCloud Keychain on, and then follow the onscreen instructions.

2. 2 Ways on How to Approve iCloud Keychain from Another Device

Although setting up iCloud Keychain on the first device are simple, adding more device to use iCloud Keychain service is not as simple. Apple offers us two way to approve icloud keychain from another device:

• Way 1: Approve iCloud Keychain from other Apple Device
• Way 2: iCloud Keychain Approve with Security Code

1. Approve iCloud Keychain from other Apple Device

When you set up iCloud Keychain on a new device, a notification will automatically be displayed on your Mac or other iOS devices that have already enabled iCloud Keychain. If you use iCloud Keychain on your Mac, you'll find an Apple ID sign in alert at the upper-right corner of your screen.

To approve your iPhone from Mac, click Continue, enter your Apple ID password and then click Allow.

2. iCloud Keychain Approve with Security Code

When you set up iCloud Key the first time, you'll be asked to create a 6-digit iCloud Security Code. You can use the code to set up iCloud Keychain on a new device.

If you forgot your iCloud Code, you can create a new iCloud Security Code from another device that uses your iCloud Keychain. Here's how to create new iCloud Security Code:

On iPhone, iPad, or iPod touch:

• Go to Settings > [your name] > iCloud > Keychain > Advanced.
• Tap Change Security Code and enter your new iCloud Security Code (enter your Apple ID password if asked).

On Mac computer

• Click System Preference from the Dock and choose iCloud.
• Click Options next to Keychain.
• Click Change Security Code and enter your new code.

In the case that you cannot find the "Approve with Security Code" option on iPhone, you can go to another device that uses iCloud Keychain. In Keychain Options panel (on Mac) or Advanced Keychain screen (on iOS), you'll see an option to allow approving with security code.