To resolve the crashing issue you are experiencing with the Knives Out - 7th Anniversary game on your ZTE phone, follow these steps:

1. Clear Cache and Data:

- Go to your phone’s Settings.
- Scroll down and tap on Apps.
- Find and select Knives Out from the list of installed apps.
- Tap on Storage.
- Click on Clear Cache. If the problem persists, also select Clear Data.

2. Restart Your Phone:

- After clearing the cache and data, restart your phone to refresh the system.

3. Update the Game:

- Open the Google Play Store.
- Search for Knives Out and check if there is an update available. If so, install the latest version.

4. Check for System Updates:

- Go to Settings > System > Advanced > System Update.
- Download and install any available updates for your operating system.

5. Free Up Storage Space:

- Check your device’s storage by going to Settings > Storage.
- If storage is low, delete unused apps or files to free up space.

6. Lower Graphics Settings:

- If the game allows, try to lower the graphics settings within the game to improve performance, especially if your ZTE phone has limited RAM or processing power.

7. Reinstall the Game:

- If the game continues to crash, uninstall it completely and then reinstall it from the Google Play Store to ensure a clean installation.

8. Check Background Apps:

- Close other applications running in the background that might be consuming memory. Use the task manager or simply restart your phone to close all apps.

If these steps do not resolve the issue, consider checking community forums or reaching out to the game’s support for further assistance. You can also view a detailed guide to fix crashing apps on Android learn more or watch tutorials that may provide additional solutions learn more.