So, I did a thing... I replaced the battery in my iPad Pro 9.7" a month ago, but upon setting the screen in place with the...

I have a OnePlus A3000 Phone that needs a screen replacement. It has two screws at the bottom, but I cannot get them...

I have tried using the iOpener on my iPad per the instructions, but I can’t get the adhesive to loosen well enough to get a pick under the edge of the glass. I have a heat gun I will use, but should I apply the heat at the face of the display glass, or on the edge where the glass and the metal meet? And what is the maximum temperature the display can be heated before damaging the display itself?