USB configuration: RNDIS, MTP, PTP, MIDI. What is it on an Android phone?

In developer mode on an Android smartphone, the user can find a lot of extremely interesting menu items, which are often of great interest. In this article, we will look at the “USB Configuration” subsection and find out what the item in this subsection means.

First, open the developer mode. An example based on a Samsung smartphone. Go to settings.

Next, find the section “Developer Options” or “Developer Mode. If it is suddenly disconnected from you, enable it using our instructions.

Turn on the mode if necessary and find the item “USB configuration” or “USB configuration by default” or “Select USB settings”, for example:

Example on Huawei:

We see the following (Samsung):

And Huawei:

What does this subsection mean? With it, you can choose what action is used when connecting the smartphone to a computer or laptop. For example, you can enable file transfer, or you can only transfer images and videos.

Now go through each item.

Menu items

File Transfer (MTP or Media Transfer Protocol). Transfer any available files, be it music, videos, photos, documents, etc..

Image Transfer (MTP or Picture Transfer Protocol). In this mode, when you connect your smartphone to a computer or laptop and after unlocking the screen, the transfer of images and videos becomes available.

USB modem (RNDIS or USB Ethernet). It is connected as a USB modem, that is, you can use your smartphone as an access point for a PC or laptop.

MIDI. Allows you to use your smartphone as a MIDI device.

Audio source. Using your smartphone as a source of audio output.

Charging only. In this case, access to data after unlocking the screen is not carried out, the smartphone only charges from your PC or laptop.

There is one caveat. Some smartphones, when choosing one of the modes, use the default item you select constantly. So, if you selected “Only charging”, then when you connect your smartphone to a PC or laptop, each time it will use the specified connection option. If you selected “File Transfer”, then after connecting and unlocking the desktop, the file system of the smartphone will be available each time for any computer, which can be dangerous in some cases. be careful.