I'm reviving this thread, because apparently the quality control at Apple hasn't gotten the message. I bought an iPad Air 2 which was almost perfect, due to a couple specks of dust I found under the screen within the black borders.. I figured since the white specks weren't directly on the pixel portion of the screen, I wasn't going to make a big deal out of it.. several months later, I decide to buy the iPad Pro 9.7 inch. I clean the screen meticulously before putting on a screen protector and notice a nicely sized white speck of dust I can't seem to clean off... at first, I wasn't sure what I was looking at, and thought it might have been a dead pixel.. but further google searches suggest dead pixels don't display when the screen is off... alas I found this thread...
2 iPads with dust under the screen, and the pro model has it under the pixel portion... my tolerance for this crap only goes so far... you spend a lot of money on Apple products to find out you can't only get a flawless device by constant returns and exchanges... and I say that after exchanging two Series 2 Apple watches due to defects, and finally giving up and returning the 3rd for a refund.... I'm really losing my respect for this company...