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Efficient removal of iPad 2/3/4 assembly adhesive - opinions needed!Hey, guys. I've just sent this question in an email to a fellow repair technician I'm in contact with, and thought it may wel...
Answer to: bad screens display vertical lines with a white backgroundAs before, I've had a big Dropbox clean out, so my old links to the photos posted previously are no longer valid. To get around this being an issue in the future, I've uploaded the photos directly to my iFixit account. Before: After: All Fixed:
Answer to: About to replace screen/digitzier - sleep/wake sensorYou want to remove it using a soldering iron with a small hoof tip, at the lowest temperature your solder can handle. Using leaded solder here will make your job a lot easier. Pop a small amount of flux paste on the existing joints before desoldering, too. I'd recommend against using a heat gun - the kind of heat needed to melt the solder would destroy the plastic flex - or desoldering wick/braid, for a similar reason. It'd be pretty obvious if the new display assembly doesn't already have the sensor, as there will be an exposed copper pad array in that location, ready for a sensor to be soldered onto it. This is what the part looks like: