Soldato
You will need the jig for sure. The phone needs to be completely stable and on a level surface. The jig also helps align the glass to your phone - without it the chance for a mishap is high. The optical adhesive is poured straight onto the screen and it has a low viscosity so the stuff will flow quite easily. Watch a few videos to see what the process is like and you'll see why.I have a UV lamp do you think you could get away with fitting it without the jig?