![]() If iTunes doesn’t recognized the device than the problem is more than just a screen or backlight issue. If your top glass is broken, your touch function is unresponsive, or you have no image display, then this is the part you need. If the original screen also doesn't show the backlight, then the backlight circuit is blown. Apple iPhone 5S Screen Replacement (Digitizer and LCD) Troubleshooting: The Apple iPhone 5S Screen Replacement (Digitizer and LCD) controls both your touch function and your main image display. In this case, we’re using Messages as an example, but you could do it for Facebook Messenger, Signal, Twitter, FaceTime, or any other app. In Notifications, scroll through the list and tap the name of the app that you want to prevent from waking your screen. If the original screen has the backlight on, then the replacement screen has an issue. To do so, open Settings on your iPhone or iPad. You can connect the original, cracked screen to confirm this. If you can’t see an image at all, then it may be the LCD circuit that is damaged. If you can see a dim image, then the backlight circuit has been damaged. Then shine a bright flashlight on the screen. and everything I want to light up, is already set to Allow notification/show on lockscreen. To test for this, plug your device into a charger or an iTunes enabled computer. Go to settings > notifications > and check your preferences per app there. Open Settings -> Display & Brightness -> Toggle off Slide to Wake feature. pressing the volume DOWN button, power button, and the home button, also to no avail. Also check the bare pads to see if they are not shorted to ground. Press the increase brightness key to check or adjust the level of brightness. Either way, this type of repair requires micro-soldering and isn’t really a DIY repair. pressing the power button for 7+ seconds, as per Samsung, did not work at all. That said, some corrosion may have eaten through the wire and made it an open-circuit but that should be easy enough to check. Make sure the display brightness is not turned off. If you’re lucky, then only a backlight filter is damaged but other times, the entire circuit could be affected. When you fumble around trying to line up the connector plug to the receptacle, you can short out the voltage rail and cause damage to the components in the backlight circuit. Next, click the OK option in iTunes, and then click to restore. Once in DFU mode, your iPhone will display a black screen. But that was still a lot better than 130, or even 90, so I ordered one. Follow the on-screen instructions that will display. Alas, most iPhone 5S replacement screens (consisting of new glass and LCD) were priced around 40. the backlight is ~20V) and ground in very close proximity. Long press these buttons but release the Side button after 5 seconds while holding the volume down button. The issue is that the LCD connector has pins that have high voltages (i.e. It’s very important to always disconnect the battery before disconnecting/reconnecting the screen assembly.
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