Hi! I see you're encountering the "TERK database not available. Try back later." error in your TERK Signal Finder app on your Android 16 device. Let's work through it together to get you back on track.

This message usually means the app is having trouble connecting to its database, which could be due to network issues or temporary server problems. Here's what I'd suggest:

1. Check Your Internet Connection
Make sure your phone has a stable internet connection. Try switching between Wi-Fi and mobile data to see if one works better.

2. Restart the App
Close the TERK Signal Finder app completely, then reopen it. Sometimes apps just need a fresh start.

3. Clear App Cache and Data
- Go to Settings > Apps > TERK Signal Finder
- Tap on Storage
- Select Clear Cache first, then try the app again
- If that doesn't help, try Clear Data (note: this may reset app settings)

4. Update the App
Check the Google Play Store to make sure your app is up to date, as older versions may have connectivity issues.

5. Restart Your Device
A simple reboot can sometimes resolve temporary glitches.

6. Wait and Retry Later
If the problem persists, the TERK servers might be undergoing maintenance or facing downtime. In this case, waiting a bit before trying again is the best course.

Could you please tell me if you’ve tried any of these steps already or if any part of the app connects successfully? That way I can better assist you.