- Open the Google Play Store app
- Tap the three horizontal lines in the upper left corner to open the navigation drawer
- Tap Account
- Tap Subscriptions
- From there you should see your subscription listed and an option to restore
If your subscription has already expired, you can sign up for a new Squid Premium subscription within the app. The easiest way to do so is to go to the Squid settings and tap Upgrade to premium.