Zte A73 Pro 5G - USB On-The-Go (OTG) Usage

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 Devices: Share to any of your connected devices
 Contacts: Your phone is visible to your nearby contacts
while your phone screen is on and unlocked.
 Everyone: Your phone is visible to anyone who is nearby
while your phone screen is on and unlocked.
Using USB On-The-Go (OTG)
Your phone supports USB On-The-Go. You can connect the
phone and a USB peripheral device (such as a USB flash drive,
a USB mouse, or a USB keyboard) with an OTG adapter.
For example, when you connect the phone with a USB flash
drive, you can browse the files on the flash drive; connect the
phone with a USB mouse and you can navigate the phone with
the mouse.
NOTE:
To safely remove a connected USB storage device (such as a
USB flash drive), open Settings, touch Storage and find the
name of the device. Then touch next to it.