Steps
1
Download or update the app
Get the official Citi Mobile app from the Apple App Store or Google Play.
2
Sign in
Log in with your Citi Online user ID and password. If you don’t have an account, register in the app first.
3
Find the activation prompt
Look for the option to activate your new card and tap it.
4
Follow the prompts
Enter any requested card or identity details and confirm activation.