Hi! I see you're having a frozen screen issue with Bubble Witch 2 Saga on your iPhone running iOS 18.7. Let’s get this sorted out together.

Could you tell me a bit more about when the screen freezes? For example:
- Does it freeze right when you open the game or during a certain level?
- Does the game freeze consistently in the same spot or randomly?
- Have you noticed if this happens after doing something specific like watching an ad or after a recent app update?

Meanwhile, here are some general steps that usually help with frozen screens in the game:

1. Force close the app: Swipe up from the bottom of your iPhone screen (or double press the Home button if applicable) to open the app switcher. Find Bubble Witch 2 Saga and swipe it away to close it completely. Then reopen the app.

2. Restart your iPhone: Sometimes, a simple restart refreshes system resources and clears minor glitches.

3. Check for app updates: Open the App Store, tap your profile icon, and scroll to see if there’s an update available for Bubble Witch 2 Saga. Installing the latest version can fix bugs.

4. Clear temporary data: Since iPhones don’t have a direct app cache clear button, you could try reinstalling the app if you haven’t already. Before doing this, make sure your game progress is synced with Facebook or King account so you don’t lose any progress.

5. Check your internet connection: The game might freeze if there are connectivity issues. Try switching from Wi-Fi to cellular data or vice versa.

If you’ve tried these already, let me know which steps you have done, and I can guide you further with more advanced options or account checks.

Does that sound good for a start? Also, if you see any specific error messages or behaviors, feel free to share!