Just use some scotch wide transparent tape and cover the broken screen BEFORE you start to taking it apart. It will hold all the shards together and nothing will fly around.
There is few steps missing actually.. But I did't wrote them down, sorry. Nevertheless, they are pretty common sense. ;)
ps. Actually this is second time I did that repair. Just after the first one, after a while wifi went down (bluetooth still were working). So I did those steps once again and wifi is up and running. Again.. :) Yiiiihaaaa!!! :)
ps1. my rework device Yihua 8786D when set on 300C by Thermo reader showed only 150 or so, but that reader also is Chinese crap so I don't give a dime that it's wrong. Anyone tried measure that? Should it really blow set temp?