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LCD know-how

LCD know-how: Difference between iPhone 8 and iPhone 7 LCD

According to the previous experience, the new iPhone launched at Sep.12th should be called “iPhone 7s”, but it came to us with a name “iPhone 8”. When we saw iPhone 8 at first glance, it looks just like the iPhone 7. Here we will compare the iPhone 8 LCD screen with iPhone 7 and test whether the screens can exchange.

Appearance contrast

As iPhone 8 and iPhone 7 have the same size display, the LCD screen sizes are almost the same.

So we can’t find the differences from the front but there are some small differences on the back. Refer to the picture, the buckle on the top of iPhone 7 is plastic, on the bottom is metal while the iPhone 8 is just the opposite.

iPhone 8 and iPhone 7 LCD screen buckle materials 1

iPhone 8 and iPhone 7 LCD screen buckle materials 2

Install iPhone 8 LCD screen in iPhone 7

Firstly, we install the iPhone 8 LCD screen in the iPhone 7, turn on the phone, it can light up.

install iPhone 8 LCD screen in iPhone 7

Secondly, we test the screen touch function, there is no touch, no matter how crazy we touch it and the screen still doesn’t work.

Test screen touch 1

Thirdly, test the 3D Touch function, close the screen then open it through power button, press the fish on the screen, the 3D Touch also not work.

Test 3D Touch 1

The last, test whether the iPhone 7 logic board is in good condition. Install the iPhone 7 LCD screen on the iPhone 7 logic board and test all functions, it works smoothly.

3D Touch test well

So the test result is that the iPhone 8 LCD screen is not working on the iPhone 7.

Install the iPhone 7 LCD screen in the iPhone 8

When we install the iPhone 7 LCD screen in the iPhone 8 and turn on the phone, the phone is stuck at Apple Logo with a white screen.

Screen stick at Apple logo

To solve this problem, we force restart the iPhone 8:

Firstly, press and quickly release the Volume + button.

Secondly, press and quick release the Volume _ button.

The last, press and hold the side button until the Apple Logo appears.

Unfortunately, it is still stuck at the Apple Logo with the white screen.

To prove the iPhone 8 Logic board is in good condition, we install the iPhone 8 LCD screen in the logic board and test the screen touch function, everything runs well.

iPhone 8 screen touch test 2

So the result is that the iPhone 7 LCD screen also can’t work on the iPhone 8.

Conclusion

Up to now the comparison and test between iPhone 8 LCD screen and iPhone 7 LCD screen are completed. The conclusion is that the LCD screen of iPhone 7 and iPhone 8 have small differences at buckles and both of them can’t work well after LCD screen exchange.

Check our comparison video here

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Any suggestions and questions about this comparison, please welcome to comment below.

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