How to swap usb charging mode to file transfer mode (ftp) on Android 7.0?

[AC Question]

On nexus 6p

 

[anon(238680)]

Welcome to Android Central. To connect to a PC and transfer files (not FTP) you have to enable Developer Options on the phone and install appropriate USB drivers on the PC.

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[Rukbat]

Then chose MTP mode (there's no FTP mode).

If you want to use FTP, you'll have to install an FTP server (see https://forums.androidcentral.com/e...ZXI%3D%3AS%3AANO1ljIEVHg&hl=en&token=uu50JZW7 ).