At this point, your Android device should only be connected for charging. Turn on your phone’s screen and unlock the device.Start by plugging your phone into the computer via USB port.So, if you are about to be off the grid for quite some time or would just rather transfer files without the internet, here’s how you can do just that with your trusty USB cable:
There are many different ways to transfer files between Android phones and computers however, most of these methods require an internet connection on both the phone and the computer during the process.