Try TWO YEARS LATER and no solution. I have wasted days literally trying to get my phone to connect. i dont untderstand why this should be so hard to answer....
After that long of a time, I’d feel frustrated too. Let’s turn this around. I imagine that during this time, you’ve seen this link with these steps:
When connected, does the phone allow you to touch and hold the Status bar to choose alternatives such as “USB charging this device”? If so what step are you able to get to? What error messages do you see?