How to Fix iPhone Glitch after Update to iOS 12?

imyfone app

Are you experiencing glitches on your iPhone after updating to iOS 12? Black Screen? Frozen Screen? Stuck at Apple Logo? These are all common issues encountered by Apple device owners who have updated their system to iOS 12, tweaked their phone & network settings and downloaded new apps in their iPhones.

As common as these issues are, there are many reasons for these glitches to occur. The causes of these issues might be difficult to specifically identify, but there are some quick fixes available to restore the full functionality of an iPhone. The extent of the glitch usually indicates on how much fixing the device needs. For minor glitches, these only need tweaking of the settings or iOS updates, data is retained. But for major glitches that need complete overhaul of the phone, data on the might not be protected. If you’re experiencing any of issues on your iPhone especially after updating your iOS, check out the fixes listed below and see which one works for you;

1. Force Restart Your iPhone

A Force Restart is an activity done at the hardware level and does not affect the software. This is usually done when your iPhone is in a completely frozen or different mode. Force restarting means cutting the power and turning the device back on again. Below are the steps in force restarting the phone for different iPhone models:

iPhone Xs/Xr/Xs Max/X/8/8 Plus
iPhone 7/7 Plus
iPhone 6s & all earlier models
Press the Volume Up button and quickly release it. Do the same for the Volume Button, press and quickly release it. Lastly, press the side button and hold it until the Apple logo appears.

Press the Volume Button and Side Button, hold them for at least 10 seconds until the Apple logo appears.

Press the home and top/side buttons, hold them for at least 10 seconds until the Apple logo appears.

2. Reset Network Settings on iPhone

For iOS devices, the “Reset Network Settings” option, clears the current cellular and WiFi network settings (including known networks and network passwords) and VPN Settings. For some issues, doing this option fixes some of the glitches they encounter especially if they are network-related glitches after iOS 12. See steps below:

  • Go to Settings > General.
  • Select Reset > Reset Network Settings.
  • Tap on "Reset Network Settings" and enter your security code if you have enabled it.

Reset Network Settings

3. Reset All Settings on iPhone

The "Reset All Settings" option puts all of your iPhone settings to factory defaults. Some bugs are triggered by customizing some settings in your phone so restoring your iPhone to its factory defaults might fix some of these bugs. See below on how to do it:

  • Go to Settings > General.
  • Select Reset > Reset Network Settings.
  • If you have enabled your passcode, you will be prompted to enter it for confirmation.

Reset All Settings on iPhone

4. Reset Battery and Power Management

If your Apple device has a black screen or blank screen after iOS 12, there could be many causes for this. One of the possible causes is that it has a battery related issue. While this cannot be detected because the screen is not viewable, you can confirm and fix it by doing the following steps:

  • Connect your device into an outlet (if possible, use a wall outlet) and wait for several minutes.
  • If step 1 does not solve it, you can try simply restarting your device by going to Settings > General > Shut Down and slide to power off.
  • If both steps above still do not work force restart your iOS device.

charge iPhone

5. Await Next iOS 12 Update

If the glitches experienced by your iPhone are minor and does not affect the general function of the device. One can wait for the next iOS 12 update, as these bugs are usually highlighted by users and fixed by iOS 12 updates. There are two ways to update the current iOS on an iPhone, wirelessly and through iTunes. Both of the two ways work for iPhone Xs/Xr/Xs Max. See detailed steps below:

Wireless Update:

  • Make sure that you have sufficient space for the iOS update. Clear out files and apps that you do not need.
  • Connect your device into a power outlet or ensure that has sufficient battery.
  • Connect to a Wi-Fi with a stable internet connection.
  • Go to Settings > General > Software Update.
  • Tap "Download and Install".
  • You have two options: 1,If you want to update your iPhone on the moment - Tap "Install". 2, If you want to update at a later time, select "Later" and choose between "Install Tonight" or "Remind Me Later". By choosing "Install Tonight" your iOS device will update automatically overnight.
  • If you have enabled your passcode, you will be prompted to enter it.

update iOS wirelessly

iTunes Update:

  • Follow steps 1-3 above in Wireless Update. You can also use a LAN Internet connection.
  • Make sure that you have the latest iTunes version.
  • Connect the Apple device to the computer.
  • Open iTunes and select your device. This is located in the upper part of the window, usually this is a phone icon for iPhone.
  • Tap "Download and Install".
  • A left sidebar will appear once it is selected. Click on “Summary”.
  • Click “Check for Update”.
  • Click “Download and Update”. The update process will now commence.
  • If you have enabled your passcode, you will be prompted to enter it.

update iOS through iTunes

6. Fix iPhone iOS 12 Glitch by Repairing iOS

Third-party developers have also created tools in recovering iOS systems as some of these tools are really effective in fixing glitches in iOS after iOS 12. iMyFone iOS System Recovery is one of those tools developed by reliable iMyFone company. It can fix issues including frozen iPhone, stuck on Apple Logo screen, iPhone black screen and so on. Additionally, it has three fixing modes that you can choose from in order to avoid data loss on your device while fixing a glitch. The fixing modes include:

  1. Standard Mode - For iOS problems such as stuck or frozen iPhone; this mode does not cause any data loss.
  2. Exit Recovery Mode - A one-click quick fix for Apple devices stuck in recovery mode without affecting the data on the device; this mode also does not cause any data loss.
  3. Advanced Mode - For disabled devices; All data in the the Apple device will be lost.

Catch a glimpse on how easy it is to use iMyFone iOS System Recovery with the steps below:

Step 1. Download and launch the program. You can download it from the following buttons.

Windows version    Mac version

Step 2. Connect your device to the computer. Select Standard Mode.

interface of iMyFone iOS system recovery

Step 3. Set your device either into DFU Mode or Recovery Mode. A series of instructions on how to physically configure your phone will appear, follow it.

  • DFU Mode - Click "Start" on the program. Press both Sleep/Wake Button and Home Button, hold it for 8-10 seconds. Release the Sleep/Wake button and continue to press the Home button for 5 more seconds. If it does not succeed, you can proceed to Recovery Mode.

 enter DFU mode under Standard mode

  • Recovery Mode - Press both Sleep/Wake Button and Home Button, hold it until the "Connect to iTunes" icon appears. Do not release even if the Apple logo appears.

 enter Recovery mode under Standard mode

Step 4. Download the firmware for your device. This is automatically done by the program once it is connected. You can also manually change the model in case the automatic detection fails.

download firmware

Step 5. After downloading the firmware, click "Start to Fix".

fixing ios issues

Step 6. Check if the device starts, if it fails try again.

7. The Last Resort: Restore iPhone to Factory Settings

Restoring an iPhone’s Factory Settings will resolve most issues related to the iOS system, but this comes with a price - all data on the iPhone will be deleted. If you have exhausted all means in fixing your iOS and yet it didn’t fix any of the glitches, then this is your last resort. You can restore your device in two ways: wirelessly and through iTunes. See steps below on how to do it:

Restore iPhone Wirelessly:

  • Make sure you have a backup of your phone. You can back up your device through iMyFone iTransor without deleting the previous backups.
  • Go to Settings > General > Reset.
  • Tap "Erase All Content and Settings"
  • If you have enabled your passcode, you will be prompted to enter it to proceed.
  • A warning box will appear, tap "Erase iPhone" to continue.
  • For verification purposes, you will be asked to enter your Apple ID details.
  • After verification of Apple ID, the iPhone will be restored and have an initial setup similar to a new iPhone.

Restore iPhone Wirelessly

Restore iPhone through iTunes:

  • Make sure you have a backup of your phone. You can back up your iPhone first.
  • Connect your device to the computer.
  • Open iTunes and select your device. This is usually a phone icon located on upper left.
  • On the left bar menu, select "Summary".
  • Click "Restore iPhone". A warning will appear, click "Restore" again.
  • This will commence the restoration process and after the process, your iPhone will be as good as new.

Restore iPhone through iTunes

As seen above, there are many ways to iPhone glitchy. If you’re device is experiencing any glitch, especially after updating to iOS 12, you can try the fixes above. Choose which one is convenient for you. More importantly, when fixing your iPhone, consider protecting your data and the settings you’ve customized. Choosing the suitable fix for your iPhone will save you from additional damage or adding more glitches to your iOS.