A. 1. Check device compatibility: Visit the Star VPN website or the Google Play Store page to confirm if your device model and Android version are supported. 2. Update your device: Ensure your Android operating system is up to date. Go to Settings > System > System update to check for updates.

B. 3. Try alternative installation methods: If the app is not available on the Play Store for your device, consider downloading the APK file from a trusted source and installing it manually. Make sure to enable 'Install from unknown sources' in your device settings.