Viber

Updated to new iPhone 13 and when reacting Viber as I have a new number I am not receiving the activation code to my new number. Viber help desk could not help saying it is an Apple problem.

👉 Sign in to your Apple ID account page and edit / update your Apple ID details.

https://appleid.apple.com

-> edit you trusted phone number.

👉 & see -> Get a verification code and sign in with two-factor authentication

Get a verification code and sign in with two-factor authentication - Apple Support

Viber Messenger: Chats & Calls is not an Apple product. Contact the app developer here --> App Support or Viber Support