Continuity Camera
Continuity Camera Freezing in Zoom: What to Check First
A concise troubleshooting guide for Zoom calls where Continuity Camera cuts out, freezes, or zooms unexpectedly.
Short answer
Zoom camera failures usually come from one of four places: macOS permissions, source selection, another app using the camera, or Continuity Camera losing its iPhone connection.
Key takeaways
- Allow Zoom camera access in macOS Privacy & Security.
- Restart Zoom after changing camera permissions.
- For recurring failures, use a camera setup you can test before the meeting starts.
Check Zoom permissions on macOS
Zoom needs explicit camera permission on macOS. If the permission is missing or stale after an update, Zoom may show a black preview or fail to start video.
Open System Settings, choose Privacy & Security, then Camera. Turn Zoom access on and restart Zoom. If the prompt never appears, reinstalling or resetting the privacy database can be the next step, but start with the visible permission panel.
Make sure Zoom is using the right source
Open Zoom settings before a call and inspect the video preview. Select the iPhone source or SplonkCam source directly instead of relying on automatic selection.
If the camera keeps zooming or reframing, turn off Center Stage or other video effects from macOS video controls and test again.
Remove camera conflicts
Quit FaceTime, Photo Booth, OBS, browser calls, and any webcam utility before testing. Camera conflicts are boring, but they are common.
Then open Zoom first, select the camera, and leave the preview running for a few minutes. If it freezes before you join a meeting, the issue is local and not caused by the call itself.
Build a pre-call routine
If your work depends on Zoom video, do not discover camera problems after joining. Build a setup routine: open the camera app, check the preview, start Zoom, select the camera, and keep a backup camera available.
SplonkCam fits this pattern because it gives you a named virtual camera source and a separate Mac app for checking the iPhone feed before the meeting.
FAQ
Why does Zoom freeze only with my iPhone camera?
The iPhone camera path has more moving parts than a built-in webcam: iPhone state, Continuity Camera discovery, wireless link, macOS permissions, and Zoom source handling.
Can a virtual camera help with Zoom?
Yes, if the virtual camera appears consistently to Zoom and lets you verify the feed before joining a meeting.