Definitely use the BVR file format. It is the only format that will allow you to write and read a file at the same time. BVR really is just a container and it is still recording in the native stream format. But allows it to embed metadata and information BI can understand. If and when you see a clip...

As above, found the firmware linked here:

https://www.reddit.com/r/reolinkcam/com ... erm=ou6hku

Someone whom already downloaded it mind posting the latest firmware?
Seems they removed it from the website as the latest I see is:
V3.0.0.250
17/6/2021