Submitted by SolarCharged on 13. Februar 2019
My iPhone charged fine with the rear USB ports, but would not charge at all when using the front USB docking connectors. The green battery icon would come up on the phone screen showing a successful connection, but the tiny lightning bolt in the phone’s upper right corner would not come on.
I finally figured out you need to unlock the phone for the front USB ports to engage—either before or after connecting. Even when the screen turns off after a few minutes, the phone continues to charge.
The rear USBs are simply power ports but since the front connectors are data and power ports, the phone must be unlocked for a proper connection to be made.