The iPhone 14 Pro Max has quickly become one of the most popular and highly sought after devices on the market. However, Apple users have been experiencing a bug that causes horizontal lines to appear on the display screen upon waking up their mobile device from sleep or when starting up.
This iOS issue can be vexing for any user trying to navigate through their day with an essential piece of technology not working correctly.
With this helpful guide by your side, you’ll soon forget that the bug ever existed!
Potential Causes of The Horizontal Lines Bug on iPhone 14 Devices

The potential causes of the horizontal lines iOS bug on an iPhone 14 Pro Max and other models in the series are numerous and span a wide range of possible scenarios.
- To begin with, hardware malfunction could be at play; if the display ribbon cable has become loose or disconnected, it can cause this sort of issue to arise.
- Additionally, software malfunctions may also contribute to such a problem occurring; certain apps might require too much memory or processor power which can then lead to graphical glitches in their wake.
- Lastly, high temperatures due to overheating can also potentially bring about these issues as well, resulting from prolonged use without adequate cooling time in between sessions.
However, any combination of the abovementioned scenarios is likely to have caused this particular issue within an iPhone 14 Pro Max device with iOS version 16 installed.
Troubleshooting Steps to Help Fix the Horizontal Lines Bug on iPhone 14 Pro Max with iOS 16

#1 Performing A Hard Reset
A hard reset involves restoring the device to its original factory settings and erasing all personal data from the phone’s memory.
Suppose iOS 13 or later versions are running. In that case, users need to press and release quickly both volume up and down buttons simultaneously, followed by pressing and holding the power button until they see the Apple logo appear on their screen.
Suppose older versions, such as iOS 12 or earlier systems, are being used. In that case, users should hold down both the home and side buttons until they see the same Apple logo that signals their device has been reset successfully.
#2 Updating Software and Apps
Users must keep their software up-to-date – this includes minor updates as well as major ones. To do this without difficulty or confusion, activating the automatic update feature will ensure that all relevant patches and fixes get downloaded when they become available. It also helps to double check for manual updates every now and then in case something was missed by the automated system.
#3 Resetting Network Settings
To carry out this process, here are five simple steps:
- Navigate to Settings > General > Reset > Reset Network Settings
- Enter your password when prompted
- Wait patiently while system restores factory settings
- Reenter saved Wi-Fi credentials once finished
- Restart your device after completionÂ
Wrapping It Up
By following these instructions closely, users can effectively cleanse their phones of any potential underlying issues which may be causing the aforementioned bug.
Even though this method does involve losing some data associated with previous wifi connections and other features related to networking capabilities, its effectiveness makes up for those minor inconveniences. Ultimately, it allows people to return their devices back into pristine condition ready for daily use once more.