I tried to resolder the pins to the PCB, but I was not able to scratch off enough solder-stop to connect the connector pins to the tracks.
Then I tried to wire the connector pins directly to the components from wich I think the pins connect. I could solder wires to the connector, but the other components are reaaaaly small that was unsuccesful as well.
The black rectangular componet just below the connector is by the way a proximity sensor to lock your phone display when you hold your phone at your cheeck while doing a call. I removed this component during my attemps to fix the phone, but then the screen did not lock anymore. This component was absolutely impossible to be removed with a standard soldering device, because it has not touchable pins.
I’m not an absolute beginner w hen it comes to soldering, but neither perfectly experienced and equipped with tools. I think that fixing this board might be possible for a professional repair shop.
I eventually ordered a new PCB, which was about 120€ after shipment costs etc. I broke that again after a couple of weeks, also by dropping the phone while it was connected to the charger and catching it on the cable by reflex. I’ll now stay at charging the phone like in the attached picture. Since the charger connector does anyway not fit to the badly designed phone cover, I always have everything I need
I need to position the phone like in the picture, and when I shortly tip on the upper part of the phone, it starts charging. USB connection does not work for me, and for moving files from the phone I now need to use a cloud service (copy.com works fine for me).
This all is quite inconvenient, but is works fine I don’t want to buy my third PCB that I’m afraid to break again. But when I will do that at some point, I will add a drop of super glue between the pins of the USB connector.