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Although problems with dead pixels or stuck pixels are almost non-existent, on such an expensive device as iPhone It is an annoying defect that can be annoying to the owner. Rules have appeared on the Internet Applu, which service technicians follow.

First, a few notes. The difference between a dead and stuck pixel is clearly defined: a dead pixel does not light up, is either gray or black, and cannot be revived in any way. The only option is to return the display and replace it. On the other hand, a stuck pixel is a pixel that is stuck on one specific color. Most often it is blue, red, or green. This defect isance for repair, pixels can be moved using special "flashing" programs or the "pressure" method (which of course does not work on the iPhone).

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And now for the rules. In the case of an iPhone or iPod Touch, one defective pixel is enough to claim. In the case of an iPad, two pixels are enough. In Macbook(from 11″ to 15″) can be claimed with three bright pixels or five dark ones. For the Cinema monitor, the rules are defined as follows: 8 bright, 10 dark or 15 defective pixels in total.

Remember that you must exceed the above numbers to make a successful claim, otherwise you will most likely fail.

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