If you are facing crashes with the RC FPV app, follow these steps to troubleshoot and potentially resolve the issue:

1. Restart Your Device
- Begin by restarting your iPhone. This can clear temporary glitches or memory issues that might be causing the app to crash.

2. Check for App Updates
- Open the App Store and navigate to the Updates section. If there is an update available for the RC FPV app, install it, as updates often contain bug fixes.

3. Reinstall the App
- If the app continues to crash, uninstall it by pressing and holding the app icon until the option to delete appears. Confirm the deletion and then reinstall it from the App Store.

4. Check for iOS Updates
- Go to Settings > General > Software Update to check if there are any iOS updates available. Keeping your operating system updated can enhance compatibility with apps.

5. Adjust Recording Settings
- If the app crashes specifically when starting to record, try lowering the video quality in the app settings, as higher resolutions might strain your device's resources - learn more.

6. Factory Reset (Last Resort)
- If problems persist, consider performing a factory reset on your remote controller or using the DJI Assistant 2 to reinstall the firmware, particularly if using DJI products. This step is more comprehensive but often resolves deep-rooted issues - learn more.

7. Seek Support
- If none of the above steps work, consult the app’s support documentation or forums for specific troubleshooting tips. User discussions can provide additional insights or workarounds that others have found effective.

Using these steps, you should be able to address the crashing issues with the RC FPV app. If problems continue, engaging with the app's support team may be necessary for further assistance - learn more.