: Remove the outer screws and slide off the metal cover of the DVR.

Keep the bridge held for . You may hear a long beep from the internal buzzer.

Use the app to shown on your DVR's monitor. The app will generate a temporary password . Back on the DVR :

If you have the P6SPro app synced, it's a 2-minute fix. If you don't have the app or your email linked, you may have to contact the manufacturer with a photo of your DVR's date/time for a manual code. Reliability

: Locate the circular CMOS battery (similar to a watch battery) on the motherboard and carefully remove it. Wait and Reassemble : Wait roughly 2–5 minutes