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Guides for the LTE version of the iPad Mini 4—model A1550. Announced on September 9, 2015, the iPad Mini 4 is the successor to the iPad Mini 3.

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Power/ Lock Button Issue

I recently replaced the Ipad Mini 4 Lens/LCD assembly and am having issues with the power button. it performs all it's normal functions properly (power off, power on, soft reset when held with home button). But it does not lock my screen when the device is powered on. i SCOURED the settings and did not see anything to solve the issue. Did i miss something in the assembly replacement? no flexes seem to be torn or damaged. should i have put kapton tape somewhere?

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LCD iPhone 스크린 수리 키트

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LCD iPhone 스크린 수리 키트

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선택된 해법

The replacement screen did not come with hall effect sensors for the lock cover. Transfer it from the old one.

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can you explain with you mean with ' with hall effect sensors' ??

Hall effect sensors sense magnetism. Compare the touch panel pulled from your device and brand new one sold and you will find a small surface mount component missing, you need to transfer that one.

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There are a couple ways to trick it if you’re using an aftermarket screen that does not have a sleep/wake sensor installed. First, update the pad to the newest OS since this work around goes away once you update or restore the device. We figured out some work-arounds a couple years back when we got a huge shipment of mini 4 screens that did not have sleep/wake sensors installed.

  1. connect the original screen to it that has the sleep/wake sensor attached. Turn the device on. Using a smart case (or a magnet in just the right spot), get the device to sleep/wake when closing/opening the device. You will hear a “click” as the screen goes black. In settings, go to Display & brightness and turn off the Lock/unlock switch. The sleep/wake button will now work correctly when you install the new screen that does not have the sensor installed.
  2. ——OR——
  3. with the aftermarket screen installed and the device powered on, use a small piece of conductive metal to jump the connectors where the sleep/wake sensor WOULD be installed if it were present. When you make the connection properly, you will hear an audible “click” and the screen will go black. When you go to Dislpay & brightness in settings, the Lock/unlock switch will now have appeared, turn it off, and the sleep/wake button will work normally.

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Posted this elsewhere but found this post afterwards:

There are a couple ways to trick it if you’re using an aftermarket screen that does not have a sleep/wake sensor installed. First, update the pad to the newest OS since this work around goes away once you update or restore the device. We figured out some work-arounds a couple years back when we got a huge shipment of mini 4 screens that did not have sleep/wake sensors installed. You can use either of these two methods to achieve the same result. All you are doing is tricking the device into thinking the sleep/wake sensor is present long enough to get the “Lock/Unlock” switch to appear, which is not present until a smart case is detected.

A.connect the original screen to it that has the sleep/wake sensor attached. Turn the device on. Using a smart case (or a magnet in just the right spot), get the device to sleep/wake when closing/opening the device. You will hear a “click” as the screen goes black. In settings, go to Display & brightness and turn off the Lock/unlock switch. The sleep/wake button will now work correctly when you install the new screen that does not have the sensor installed.

—OR—

B. with the aftermarket screen installed and the device powered on, use a small piece of conductive metal to jump the connectors where the sleep/wake sensor WOULD be installed if it were present. When you make the connection properly, you will hear an audible “click” and the screen will go black. When you go to Dislpay & brightness in settings, the Lock/unlock switch will now have appeared, turn it off, and the sleep/wake button will work normally.

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