It is suggested that you format the memory card when you insert it first. Method： Open the app • Click three dots at the upper right of the corner with the device • settings→ recording settings→ format TF card. If you fail to format the TF card on the app, please format it using other software on the PC.
How do you verify it is working well?
Open the Yoosee app→ Click three dots in the upper right of the corner on the device list→ settings→ Recording settings→ Select All day record mode and turn it on. Turn off the record mode after several minutes and click the Playback on the device list to check the records.