JD Drive iPhone USB flash drive Operation video(3/4)

Hi, friend, thanks for your visiting, wish you keep healthy and safe.
This video has the following contents:
1, Backup Contacts (the second part)
2, about settings of Language
3, how to set Encryption for files.
Wish it can give you help. If any questions, please feel free to contact me.
P.S.: please choose 480P in the Picture Quality (the 3 points in the up-right corner)before playing for a high definition.