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Hi my iPad Pro 9.7 screen and LCD is broken in small bits I have seen answers saying it is better to use a heat gun to remove the broken screen does that mean an actual heat gun or can you use a hair dryer Thanks
A hot plate would be too hot and not focused enough. All you’ll you do is damage the LCD from the excessive heat. Use a heat gun or a hair dryer to soften the adhesive along the edges. Using the techniques outlined in this guide: iPad Pro 9.7" Screen Replacement you should be able to lift the cover glass (if the cover glass is intact you can forgo the tape) No solvents needed here! Wear eyeglasses with side shields and proper gloves.
You can use the Heat Gun for sure. But, the difference with the hot plate is that if for example you put the temperature in 80 degrees (hot plate) the complete screen will get the same temperature. If you have one you can use 75-to 80 grades for about 8 minutes so the adhesive can be loose well. Always use the guitar picks and use them with care. With the heat gun you need to put air in all the border of the glass with movement until you felt hot (hot that you can touch) so you can start to work all the way around. I would recommend you have adhesive remover pads, alcohol, gloves and protective glasses :)
everything you have said is wrong. a heat plate is probably the most focused attack to the adhesive you can have, as the entire unit is heated, therefore retaining its heat much much longer. the same way we preheat motherboards before we do solder work. a heat gun is more likely to do damage to the lcd than a heat plate set correctly. set it to 90 degrees, place the ipad on the heat pad as it warms up. this prevents shock from the sudden increase in heat. allow to sit at max temp around 88 to 90 degrees for 5 minutes. then use an isesamo and alcohol with guitar picks. dipping the isesamo tool in alcohol to help loosen the adhesive. use large auto window suction cup is nice as you can gently lift with the suction cup while using the tool, usually the glass will lift easily for you to place the tool in there without cracking the glass. we use this method to remove screens of ipads we need that we need to do internal work on. it works great for both keeping the screen in tact or removing a broken one.
I use 80 degrees face down and it has warped 2 LCD’s. I think I will lower my heat now, leave it longer and only place it back down. Placing the iPad face down means the lcd will be hanging down towards the digitiser, where as placing it back down, the LCD has the support of the battery below it
Don’t trust the controls on a heat plate. (Mine is a GE pancake griddle with a funky bi-metallic control knob that I sole from my wife’s kitchen cupboard!) Aim an IR gun at the surface and measure it. Readjust as necessary, letting it stabilize. When I do smartphones, I use 100 deg C, laying the glass, face down, for 2 minutes. Possibly using 90 deg C, or less, will work better and do less harm. I don’t think it matters if the glass rests directly on the heating plate, as long as you don’t scratch the surrounding bezel - Gorilla glass is impossible to scratch. The toughest part of this is not being too aggressive, lifting too much, too fast. If it is not releasing with a thin blade (single edge razor), then heat it some more. Good luck with solvents; acetone can damage most plastics and alcohol may not be aggressive enough. I would stick with heat and be very patient. This is not rocket science but it is VERY delicate. Always, ALWAYS, be ready to buy a new display and don’t forget the custom strip adhesive for the edges, either way. I’ve never had problems gluing back phones, but the larger surface area of a tablet may require reheating and clamping. Here’s an idea: make a metallic frame that sits on the heat plate that only delivers heat to the outer edges of a tablet display say… 1/2" wide (12mm). Maybe even make it slide in two directions to custom adapt it to the size of the screen edge. Or Lego-like; build what you need. Just a crazy idea. Of course, wear goggles and use heat insulating gloves to move the device to a towel or silicone pad for extraction. Be smart and safe.
