Hi,
Thank you for contacting us. To upgrade to a premium subscription, please follow the steps below on your iOS device:
iOS:
Open the Settings app on your iOS device
Tap your Name at the top of the page
Tap "Subscriptions"
Tap mSecure on the "Subscriptions" page if you see an entry for it
Tap "See All Plans"
Tap the premium subscription option
You will then be able to upgrade your subscription to a premium subscription. Did this work for you?
Selwyn
HOW DO I UPGRADE TO PREMIUM - WHAT DOES IT COST