Samsung SM-T331 User Manual page 39

Basics
Connecting with Windows Media Player
Ensure that Windows Media Player is installed on the computer.
1
Connect the device to the computer using the USB cable.
2
Open Windows Media Player and sync music files.
Connecting as a media device
1
Connect the device to the computer using the USB cable.
2
Open the notifications panel, and then tap Connected as a media device → Media
device (MTP).
Tap Camera (PTP) if your computer does not support Media Transfer Protocol (MTP) or
not have any appropriate driver installed.
3
Transfer files between your device and the computer.
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