Why is Android File Transfer not working?

Often when you’re having trouble with Android File Transfer, it’s because the phone is not in the proper mode to transfer files. Other causes include bad cables or bad USB ports. Sometimes, third party software can interfere with the proper operation of the Android File Transfer app.

How do I unlock my Android phone for file transfer?

Unlock your Android device. Swipe down to see notifications and press on “USB for charging” From the pop-up, select File transfers. Lock the device and unlock it again.