Did you from the Play Store, or download it from a third-party APK site ?
If you recently purchased Hex Installer and cannot get it working, refunds are available within 2 hours on devices or 48 hours through the web for first-time purchases.
It is rarely a simple case of "you didn't buy it." The error is often a false positive caused by the complex environment of Android system modification.
Hex Installer is licensed per Google account . If you have three Google accounts logged into your phone (e.g., Personal, Work, Gaming), and you purchased Hex Installer on Account A, but Phone Settings or Play Store preferences default to Account B, the license check will fail. The app looks at the currently active account on Google Play Services.
The license error primarily triggers when the app cannot validate your purchase with the Google Play Store. Hex Installer uses Google's License Verification Library (LVL) to ensure the application was legitimately bought. Common Causes
If you previously bought it, the button will say "Install" instead of showing a price. 5. Use the "Sync Apps" Feature
: Apply the default theme in the Galaxy Themes app, force stop the Galaxy Themes app, clear its cache, and then try re-applying your Hex theme. Critical Update for One UI 6.1+
3/5 (based on user reviews and feedback)