when i log into Yoosee and go to "image" tab, there are a number of videos and images that i took. I am able to select image and click the bottom right button to share via wechat, whatsapp etc. However, for video, i do not see the share button and hence not able to save the videos. Can you let me know how I can back up the video and where they are saved to? I do not use a SD card for the device. Thanks