How to move data from internal storage to sdcard from a non function phone screen

[Farisnt]

Hi
Seem crazy question.. but i wana trash my lg g3 phone, the phone screen failed and showing black screen.. but the touch is working fine and also the phone is working.. i can hear the new notification and can also snooze the alarm, as i know the button location.
Therre are very sensitive data on the internal storage and I need to move it to my external card or backup it in anyway
Any once have any idea about doing this
Note: developer mode is not enabled

Thanks