Answer to: How to prevent LOCA glue from entering LCD?The best and somehow easy way to prevent the glue would be by taking the backlight film off gently, putting a thin transparent tape on the mirror of the lcd and then applying the glue. When the glue dries using UV, take of the tape clean the mirror with isopropyl and put the backlight film back carefully. Voila, no marks and u got a clean glass replacement. Please note, that to take off the backlight you will need to unsolder the three small connections first and when putting back the backlight you have to resolder them back. Not very difficult to do so, so you can give a try. And please also note, when glue goes in between the lcd you don't have to throw it away. Just remove the backlight film and clean the mirror with isopropyl or acetone. Film costs like 5$. Just be gentle and have patience.
Answer to: Discussing methods for performing a glass only repair as a business?LOCA is by far the best I believe from personal experience. It's cheaper, stronger and it also fill scratches on the lcd. Of course LOCA is very hard to master. You have to know the exact ammount you need, you must not use too much for it will go under backlight (specially on Iphone6) and it requires UV lamp. BUT, its much more efficient for avoiding bubbles and it gives you the chance to center the glass as many times you want before using UV on it. So the best way to get the bubbles out would be with a vacuum chamber....unfortunately they are expensive and to make one isn't the simpliest thing to do since the items you re gonna need to make one might even cost at the end more than the already assembled one. Fear not cause you can perform a vacuum process with just 30$...or even less. Get a vacuum gun, the one your mom uses to store food in those vacuum bags. Get the glue on the lcd, place the glass on it, put some kind of plastic clips in order to hold the glass and the lcd together (or put it very careful ...