How to add a Mobile Key as a signing device?

How to add a Mobile Key as a signing device?

Prerequisite: To use Seed Key for signing, you’ll have to be on the Hodler or Diamond hands tier. (Insert Image)

Adding Mobile Key as signing device:

Click on the Vault section on the home screen. (Insert Image)

Select Add 1^st signing device ( If it isn’t your first, select the corresponding one). (Insert Image)

Select Mobile Key (Insert Image)

Enter your passcode and confirm.