Dolphin Data Lab has recently received some enquiries on their CCTV DVR video data recovery software tools, after they recover the CCTV DVR videos, but the videos cannot be played.

When the CCTV DVR videos cannot be played, what can be the reasons? Read more

Many new DVR users are asking if it is possible to recover the overwritten DVR recordings?

As for DVR, NVR, HVR or CCTV videos, if they are overwritten, there’re two types of cases:

Case 1: The surveillance videos are fully overwritten. Read more

Many new data recovery engineer may think it is very easy to recover deleted videos from HDDs or SD cards within the DVR/NVR/HVR/CCTV devices. Users may simply download some data recovery software to scan the lost deleted videos and recover them back, but this is not the truth! Read more