Users have reported that they get a USB connector connected/disconnected message even without connecting their phone to a computer or any other device via USB.
How to Fix Samsung USB Plug Connected Disconnected Problem!! – Howtosolveit
On the other hand, other users report experiencing the USB connector connected/disconnected loop error message when they actually connect their phones to a Windows computer via USB.
What does this error message mean and what can you do to fix it? Read on to find out.
USB connector connected/disconnected simply means that your phone has been connected to a power or data source and then disconnected directly.