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iPad Mini 4 发布于2015年9月9日,有着类似 iPad Air 2 的性能和更小巧的身材。

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sleep/lock button not working after screen assembly replacement

I just got finished plugging in a new screen assembly for the iPad mini 4. I moved the original home button over, put a thin layer of tape all the way around the screen, and moved the black fabric tape from the old screen at the bottom to the new screen. Everything seemed to work fine except the sleep/wake feature. I could hold the power button down to turn it on or off but I could not put it to sleep once the screen was on. Nor could I turn it on when the screen timed out with the power button, only the home button.

So I checked again and made sure that everything was covered up with tape or fabric and it looks good. Then I took the old broken screen and connected it without the home button and the power button worked fine with the old screen. But When I connect the new one, even not glued to the frame, the power button will not work to put it to sleep or wake the device up, only to shut down or off. Can someone tell me what I'm missing?

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PC 笔记本电池

An easy fix for a big power boost.

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PC 笔记本电池

An easy fix for a big power boost.

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I have one at my shop doing the same. I believe it may be related to the small piece on the bottom near the home button that requires soldering. It is the same as the iPad Air 2. Did you transfer that piece and solder it onto the new screen? This may be the answer

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I changed the screen for the ipad mini 4 and didn't realize the bottom ribbon cable was soldered to the connection. I heated it with a heat gun and was able to remove the cable from the connector with a pair of tweezers, but I had to use extreme caution. it took a long time to get it loose. I actually broke the connector on the top getting it loose. Once loose, it used a magnifying glass and pair of tweezers to push the end of the ribbon cable into the connector. holding my breath, I connected the screen to the motherboard and tested it and luckily it worked and the button also functioned normally. I don't think I will be doing any of these replacements as it was extremely time consuming. Best of luck to all!

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most likely you have a replacement screen that is missing the sleep/wake sensor. that’s why the old screen worked normally. it’s just to the left of the home button bracket if it’s there. compare the old screen to the new one and you should see the difference. or, the sensor on the new one is damaged. either way that is 1000% the problem. lots of cheap-o screens are missing the sensor.

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shawnshaundh 将永远感激不已
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