If you want to format the HDD or check the HDD status of your NVR via Reolink App, check below.
Applies to: All Reolink NVRs.
Here is a video for your reference:
Step 1. Log in your NVR via Reolink App, go to Device Settings > Device Info page.
Step 2. Choose the HDD you want to format and click on the Format button to format it.