How to reactivate my premium account if I changed my device or reinstalled the app?

To reactivate your premium account after reinstalling the app or changing your device, all you need to do is to login using your email or phone number (depending on your sign-up information) and your account will be reactivated.

However, if your subscription was made through Apple Store and the subscription fees were paid from your credit card, than you can reactivate your account by following the steps in this link (Link)