Steps
- Check the phone is signed in to the same Apple Account or Google account that bought Premium.
- Install Kliky and open the Premium screen.
- Tap Restore Purchases.
It says nothing to restore
- You are signed in to a different store account. The receipt email names the right one.
- The subscription has expired. Check Subscriptions in your store settings.
- You moved between iPhone and Android: see below.
iPhone to Android, or back
A subscription bought in the App Store does not carry over to Google Play, or the other way round. Cancel on the old platform and subscribe on the new one.