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There is a 4G antenna next to the iPhone7 Plus speaker.

Hello!To test the new screen the front-facing camera line installed together, I reckon you if the situation will turn blue is caused by the wrong screw motherboard line is damaged, you can check carefully

The fuselage shell of the non-original plant can also cause the signal to drop, or is it good to check the antenna interface?If all of these are ruled out, that is why the motherboard signal amplifier is needed for maintenance.

这个问题是手机无法唤醒，但实际电话还是能打通的，只是没有任何声音，出现这种故障的主要原因是摔过，导致元件脱落或者虚焊 标题文本:

Try using a cleanser or alcohol to clean the end of the socket. There may be foreign or moldy phenomena. If you clean it up or you don't work, replace it

Since invalid in screen is the motherboard problem, first check the mainboard and the interface between the screen if there is any foreign body, or damaged phenomenon, if not, then continue to detect short circuit interface on the side of the capacitor?If there is a problem with the lamp control IC, I will mark the pictures for your reference.

IPhoneX, the iPhone's new smartphone, has been receiving complaints from consumers about the "green line" flaw.Industry sources pointed out that the flaw was related to the iphone's iphone screen for samsung's AMOLED quality. The "green line" on the iPhoneX screen has to do with the quality of samsung's AMOLED screen.Samsung was fined by apple for the delay in iphone sales before the iphone was released. I don't know if it's the samsung screen itself or the iPhoneX assembly process.Apple's promise to consumers is that faulty products can be replaced, but there is still no formal solution to the "green line".The galaxy s7, which previously used a samsung AMOLED screen, has had "green lines".

This is the problem of the screen, which is caused by IC breakdown on the line

You open the zoom function, please click on the screen 2 times in a row with three fingers

When after separation of the LCD, you need to clear out the glue residue on the surface of the LCD, covering the OCA, then put in the LCD mold inside put new flat glass, need vacuum laminating machine pressure screen, press the screen need to defoaming defoaming machine, probably just like this.