Skip the steps regarding removal of the motherboard. one you have removed the battery unplug the LCD and Digitizer cables, then heat and remove screen (remembering to remove plastic grommet holding digitizer cable in place).

As well as saving a lot of time this will also help people to avoid damaging the Volume/Power flexes - as this seems to be a common issue for people on here.

Whole repair took 10 minutes to complete, this guide definitely helped though so well done!