To address the issue of photos appearing momentarily in the Tactacam REVEAL app and then disappearing, follow these detailed steps to troubleshoot and potentially resolve the problem:

1. Check App and Camera Connection: Ensure that your app is correctly connected to your camera. This can be done by refreshing the app, which may help in syncing the photos.

2. Restart the App: Close the Tactacam REVEAL app completely and then reopen it. This can clear any temporary glitches causing the photos to disappear.

3. Inspect SIM Card and Camera Settings: If your camera uses a SIM card, remove it and clean both the card and the card slot on the camera to eliminate any dust or debris that could affect connectivity and photo transfer - learn more - learn more.

4. Check for Updates: Make sure that your app and camera firmware are updated to the latest version. Sometimes, functionality issues arise from outdated software. Look for any update notifications within the app or check the Tactacam website for firmware updates - learn more - learn more.

5. Examine SD Card Issues: Reformat your SD card, as a failing card can lead to missing images. Use a computer to format the card to ensure it’s functioning properly. If possible, try using a new or known working SD card to see if that resolves the issue - learn more.

6. Verify WiFi Connection: Ensure that your device is connected to a stable WiFi network while accessing the app. Poor connectivity may result in problems with downloading or displaying images.

7. Factory Reset the Camera: As a last resort, consider performing a factory reset on your camera. This option will restore factory settings and may rectify the issue, but be aware that you will have to reconfigure your settings afterwards - learn more.

8. Contact Customer Support: If the issue persists after trying the above steps, reach out to Tactacam customer support for further assistance. They might provide additional troubleshooting steps specific to your device - learn more - learn more.

Following these steps should help identify and potentially resolve the issue of disappearing photos in the Tactacam REVEAL app.