If you never break your iPhone LCD or replace iPhone LCD from Apple store, you would never know how to distinguish between OEM and high quality copy iPhone LCD.
Only if you go to the repair store, the price they give you, they can only replace high copy LCD for you. Because OEM they can not earn too much money on it, especially the repair stores owners come from so many different countries.China,India. they wholesale s bunch of high copy LCD screens for their repair jobs. And it depends on the repair store’s request, high copy quality has different levels of quality.
As we know, iPhone original LCD is Retina Display,
what’s Retina Display?
Retina Display is a marketing term developed by Apple to refer to devices and monitors that have a resolution and pixel density so high – roughly 300 or more pixels per inch – that a person is unable to discern the individual pixels at a normal viewing distance. Apple’s Retina Display made its debut on 2011’s iPhone 4S, which featured a 960×640 pixel screen with four times the number of pixels (326 pixels per inch) as the iPhone. If you still don’t get it, check the images below, easier for you for understanding.
I checked a lot of smartphone from china, their LCD display can never beat iPhone LCD screen, even Samsung LCD. So,their high copy can be distinguish easily.
If you don’t have a magnifier, you can find out one thing high copy’s LCD is darker than original ones. Browser blue, yellow, red, green picture, you will find out the difference, lower quality is going to be more dark.
Some people say high copy LCD will hurt you eyes. My suggestion is if you want to save money I would still buy the quality over A or you could also wait in the Apple store for 3 hours for one of their technicians to replace your iPhone LCD for you. By the way, Apple store won’t take care of you if your iPhone already fixed by some other person. so they need to take more times on it to inspect if this iPhone got fixed by others. Actually the repair store is almost the same, if you choose one repair store to replace your iPhone LCD, once your iPhone LCD have little problems, the other repair won’t take care of you and they just tell you can only replace iPhone LCD for you even if your screen replacement still good. It happened to me, because my old iPhone 6 screen is replaced by my friend.