If you’re using Samsung Phone, the battery power saving feature might cause Wrist Camera connection problem.
To fix this, please go to your Android Settings, then choose Device Maintenance, and click on Battery menu
Then please follow the steps shown on this image, It will fix the connection problem with the watch
Please make sure both Galaxy Wearable and Wrist Camera are added to this Unmonitored Apps
If the issue still persist, please contact me using the help button on Wrist Camera Android app