25 minutes - 1 heure
My phone had simply stop charging.
The repair was fairly easy. All I had to do is to follow the guide step by step and voila!
The only advice I can give is to make sure you put the screw back at their proper location.
The system I use is simple,
If you have the plastic box with all compartments, number them , if not then print the steps.
On each step put the associated screw and parts beside the colour code. That way you always know exactly where each piece goes.