I just finished a complete tear down on an S5 active and you have to go through !&&* to get to the charging. In the process of repairing a phone that I come to find out was refurbished already the digitizer just crumbled to pieces since heat had been applied to it once already. However as soon as you get to the part in the teardown her on this site where the main board comes out. You have to separate the edge piece that goes all around the main assembly that the main board was attacked to. The one I was working on the edge of the main assembly was green and the trim around it was black. You also separate these two to replace the cover for the charging dock. Once you separate those two pieces you will see two more screw that have to come out. After you remove the screws you have to lift up on a cover that is sealed around the edges with two sided tape. If you don't destroy the two sided tape you can reuse it. If not you will need to find some or cut some to match. After you lift that cover there is another cover that is held by nothing. lift this up to expose the charging dock which also has your buttons for home, back, etc. on the other side. It is a little hard to get the charging dock out but really easy to put the new in. To put it back together just follow the steps in reverse.