OS381FV-video fingerprint password automatic smart lock with USmart Go APP

This is a intercom smart door lock
you can talk to the visitor
the smart lock will take a photo of vistor and send to your smartphone anytime
you can remote unlock the lock from anywhere on the earth via the smartphone

[@minga007]

How do I change the system chinese language to English? I cant do anything on Chinese, pls help

[@chinasmartlock]

this is big problem,if you dont understand chinese,you can't change it,you can send me a video,press * # and read your admin password,let me see what next,then i help you

[@ranti013]

Hi, can you show how to reset this device to factory settings.

[@chinasmartlock]

The reset is inside the system,should go inside the system settings

[@claudio17ish]

were to buy?

[@chinasmartlock]

send message to whatsapp [phone]

[@mamonicasalvoro-bayoneta3554]

My USmart Go App doesn't automatically go to the next page. It gets stuck on the same page. Tried it multiple times, and it's still the same.

[@chinasmartlock]

sometimes it happen on some smartphones