This process involves first removing the battery and outer case. After, the motherboard can be easily removed.
Hold the phone and pull the back latch down towards the bottom.
Remove the back panel by releasing the latch and lifting from the top.
Remove the battery by pushing the bottom end towards the top, then lifting up.
Once the battery is out, unscrew the six 7.0 mm screws with T-6 screwdriver.
Once the screws are removed, simply lift the back panel off
Remove the motherboard by lifting it up and out.