What to do if iPhone 8 Plus screen has vertical lines (or discoloration)

One of the reliable components in an iPhone is the screen. As long as you don’t drop or hit the phone with something hard, you can depend that the screen on your iPhone 8 or iPhone 8 Plus will work for years. In this troubleshooting guide, learn what you can do if you unexpectedly discover that the screen has horizontal or vertical lines out of the blue.

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Problem: iPhone 8 Plus screen showing lines

I bought my Iphone 8 Plus just this August 14, 2018. I took good care of all my things. My Iphone 5s before works very well for 2yrs but I decided to upgrade to a newer Iphone. My problem with my new phone started with its Camera app clashing. I thought it was just okay since it became responsive after a while but then it happened again. I waited again and tried opening the app after 3mins (less than 5mins). Days after, I encountered problems with my screen (maybe the LCD). It flashed a horizontal lines on my screen for at least 2 seconds. So I decided to turn off my phone. After the apple logo disappeared (when turning it off), it flashed a vertical red line on the right side of my screen. I try turning it on and off but still saw the same problem. I also tried soft resetting it. The problem goes on and off. Is this normal? I haven’t done anything that could harm my phone as I am a very careful person. Is my LCD damage now?

Solution: If you’re positive that your iPhone 8 was never dropped, physically impacted, or exposed to liquid, then it may have firmware bug. Try to revert its software settings to defaults first by doing a factory reset. Here’s how:

  1. Tap to open the Settings app from Home.
  2. Tap on General.
  3. Scroll down to and then tap on Reset.
  4. Select the option to Erase all content and settings. This will master reset your iPhone XR.
  5. If prompted, enter your device passcode to continue.
  6. Then tap the option to confirm factory reset.

Should factory reset won’t help, try to restore its firmware to factory state by restoring thru DFU Mode. Here’s how:

These are the steps to do a DFU Mode Restore:

  1. Connect your iphone x to your computer using the USB or Lightning cable that comes with it.
  2. Open iTunes on your computer.
  3. Turn off your iPhone X as you normally do. In iOS 11, you can turn off your iPhone by going to Settings-> General-> Shut Down menu-> then toggle the slider to the right. Doing so turns off the iPhone.
  4. Press and hold the Side button (Power button) for 3 seconds. Then, press and hold the Volume Down button  while still holding down the Side button. Keep holding both buttons for 10 seconds.
    • If the Apple logo appears, it means that you have held the buttons for too long. If this happens, you need to go back from the very start. Otherwise, skip to the next step.
  5. Release the Side button but keep holding down the Volume Down button for about 5 seconds more.
    • If you are prompted with the Plug into iTunes screen, it means that you have entered Recovery Mode instead. So you’ll need to go back to the very first step and make sure you’re not holding the buttons for so long.
    • If your iPhone X screen remains black, that means your device has successfully entered DFU mode. iTunes will then prompt you with an alert message saying that it has detected your iPhone and will allow it to be restored. Follow the onscreen instructions to restore your iPhone X in iTunes.

Get Apple support

If neither of the options above help at all, you must contact Apple for assistance. In many cases, horizontal or vertical lines on the screen are indications of a damaged screen assembly. That no software solution helped so far is a sign that the hardware may be damaged. The least that they can do is to examine the hardware. If necessary, they may repair or replace the unit for you. Refer to your warranty information to know how much you’re going to pay for such repair.


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