To playback the recordings of multiple cameras at the same time, please follow the articles below.

Applies to: All Reolink NVRs and Reolink cameras with a micro SD card slot.

Note: You can only playback one device at a time on Reolink App and Web browser.

The articles below will guide you to playback the recordings of multiple cameras simultaneously.

How to Playback Recordings of Multiple Cameras at the Same Time on Reolink Client (New Client)
How to Playback Recordings of Multiple Cameras at the Same Time on Reolink POE NVR
How to Playback Recordings of Multiple Cameras at the Same Time on Reolink WiFi NVR