Try the following if you run into black screens during a match or when launching the game:
- Make sure the app is up to date.
- Open the App Store app.
- Select the Updates tab at the bottom.
- If Call of Duty: Mobile appears in the list, tap the Update button.
- Make sure your device is up to date.
- Open the Settings app on your device.
- Tap General, then tap Software Update.
- If an update is available, follow the on-screen steps.
- Close other apps that may be running in the background, including messaging apps and popups, overlays, etc.
- Restart your device.
- Uninstall unnecessary apps to free up RAM.
- Delete and reinstall the app. (Please note: Deleting the app will not delete your progress or other game data.)
- Open the Settings app on your device.
- Tap General, then tap iPhone Storage or iPad
Storage. - Tap Call of Duty: Mobile.
- Tap Delete App.
- Open the App Store app.
- Find and reinstall Call of Duty: Mobile.
- Open Call of Duty: Mobile.
- Log in with the same account to reinstate your progress and game data.