Hi there! Thanks for reaching out. I understand you’re having trouble opening the FirstBank app on your Android device with WebKit browser on Android 10. To help you better, could you tell me if the app crashes, stays stuck on a loading screen, or simply won’t launch at all?

Meanwhile, I can guide you through some quick steps that often resolve this kind of issue:

1. Close and Reopen the App: Sometimes the app may experience a small glitch. Make sure you fully close it (clear it from recent apps) and then try opening it again.

2. Restart Your Device: This refreshes your system and can clear temporary problems that interfere with apps.

3. Check for Updates: Visit the Google Play Store and see if there is an update available for the FirstBank app. Running the latest version can fix bugs and improve compatibility.

4. Clear App Cache and Data:
- Go to your device’s Settings.
- Tap on “Apps” or “Application Manager.”
- Find and select “FirstBank.”
- Tap on “Storage” then “Clear Cache.”
- If that doesn’t work, try “Clear Data” (this will reset the app, and you'll need to log in again).

5. Ensure Network Connection: Confirm your device is connected to a stable internet connection (Wi-Fi or mobile data).

6. Check Permissions: Make sure the app has the necessary permissions under Settings > Apps > FirstBank > Permissions.

7. Reinstall the App: If none of the above work, uninstall the app, then reinstall it fresh from the Google Play Store.

Could you please try these steps and let me know what happens at each stage? That way I can pinpoint the issue better and suggest more tailored help.

If you want, I can provide direct links to some official resources or escalate this if it persists.

Are you okay to try these now?