If you want to set the NVR to overwrite the old files when the HDD is full on your phone, check the guides below.

Applies to: Reolink PoE NVRs 

Step 1. Launch Reolink App, then go to Settings  > Record page.

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Step 2. Tap Settings, and then enable the Overwrite option, or choose the overwrite interval for the NVR. (The overwrite interval is only available to the new Hw No. H3MB18/N2MB02/N3MB01/N5MB01/N6MB01/N7MB01)

record_settings.pngoverwrite_option.jpg