Apple only allows notifications from sites saved to the Home Screen.
Tap the Share button in Safari.
Tap Add to Home Screen, then Add.
Open Syscerno from your Home Screen and sign in there with a new code.
Tap Turn on alerts and allow notifications.
This browser cannot receive notifications. Try Chrome, Edge, Firefox or Samsung Internet on Android or a computer, or Safari from the Home Screen on iPhone (iOS 16.4 or later).