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How to fix an iPhone SE that is overheating after installing iOS 11.3.1 update (easy steps)

It’s normal for a device to heat up when installing updates. Just like what occurs when you install multiple app updates on your iPhone. You would notice that your device becomes warmer and warmer especially when the updating takes longer time to complete. The same thing happens while charging and can get even worse, if you use your device while it’s charging.

Generally, your iPhone heats up when the processor is working and will likely overheats when the processor is revved up to a hundred percent. In the case where an iPhone overheats after installing a new iOS update, most likely the update file is too big that it takes more time to be downloaded and installed. Some major updates would even take a day to become completely implemented due to complexity of the file. Aside from file size, an update containing bugs is likewise an underlying cause. And this is likely what’s occurring to some iPhone SE variants after the iOS 11.3.1 firmware update implementation.

Reports have it many iPhone SE users were raising complaints about their iPhone that’s overheating after installing the new update to iOS. And if ever you’re here for the same reason and that you need more inputs on how deal with a post-update overheating problem on your iPhone SE, I’ve mapped out some of the most effective solutions for you to try on. Read on and get help.

Before going further, if you found this post because you were trying to find a solution to your problem, then try to visit our troubleshooting page as we’ve already addressed most of the commonly reported issues with the phone. We’ve already provided solutions to some of the problems reported by our readers so try to find issues that are similar with yours and use the solutions we suggested. If they don’t work for you and if you need further assistance, fill up our iPhone issues questionnaire and hit submit.

First solution: Force quit background apps on your iPhone SE.

Apps can become rogue after implementing new platform changes. It could be due to the app that’s no longer compatible with the current platform or just crashing as it’s still adjusting to the recently implemented system structure. In most cases, the errant apps are background apps. To rule this out, force background apps to quit on your iPhone SE with these steps:

  1. Double-press the Home button to open the app previews.
  2. Navigate to the app preview you want to quit/end.
  3. Swipe up on the app that you want to force quit.

If this doesn’t fix the problem, then move on to the next possible solution.

Second solution: Soft reset or Force restart.

A device restart be it a soft reset or force restart effectively fixes minor software glitches that might have caused random performance to occur in mobile devices including those that are triggered by new software update. This doesn’t affect your critical data and personal information, hence no need to worry about data loss. Here’s how it’s done:

  1. Press and hold the Power button until the Slide to Power off menu appears.
  2. Drag the slider to the right to turn your device completely off.
  3. After 30 seconds, press and hold the Power button until the Apple logo appears then release.

A device will likely become unresponsive when it’s overheating. To unfreeze a frozen iPhone SE, performing a force restart is necessary. And here’s how it’s done:

  1. Press and hold the Home button and Power button simultaneously for about 20 to 30 seconds.
  2. Release both buttons when the Apple logo appears.

Let your iPhone finished booting up and then try to use it as usual. If it still overheats, then you need to troubleshoot further.

Third solution: Reset all settings on your iPhone SE.

Some major software updates automatically override your device settings, which can eventually lead to conflicts and errors. Some relevant settings might have been automatically altered by the new update and therefore needs to be modified to keep things balanced and prevent your device from overheating. Here’s what you can try doing then:

  1. Tap Settings from the Home screen to get started.
  2. Tap General.
  3. Scroll to and tap Reset.
  4. Tap to select Reset all settings from the given options.
  5. If prompted, enter your device passcode to continue.
  6. Then tap the option to confirm all settings reset.

Wait until your device is done with the system settings reset and then restarts. After the restart, you will need to re-enable necessary options and features including Wi-Fi and Bluetooth, to use them again on your device.

Fourth solution: Reset your iPhone SE to factory defaults.

Device issues can be deemed complex if they’re able to withstand the standard troubleshooting procedures and workarounds. In this case, a more advanced solution would be necessary. And a factory reset is one of your options. Performing a factory reset or master reset will wipe everything from your iPhone system and restore the original or default settings. That said, the process results to data loss. On the positive note, any complex bugs and software errors are likewise cleared in the process. Should you wish to take chances in factory reset, then start by creating a backup of all your important data. And whenever you’re all set, follow these steps to perform a master reset through your iPhone SE settings menu:

  1. Tap Settings from the Home screen.
  2. Tap General.
  3. Scroll to and tap Reset.
  4. Tap to select Erase all content and settings.
  5. Enter your device passcode, if prompted.
  6. Tap the option to confirm factory reset.

Let your iPhone finished the reset and then restarts automatically. By then you can set up your device as new.

You can also reset your iPhone SE to factory defaults through iTunes. To get this done, you will need a computer with the latest version of iTunes software installed. Once you’ve got the equipment ready, connect your iPhone to your computer using the supplied USB cable or Lightning cable. Launch iTunes on your computer, wait until it recognizes your iPhone and then follow the onscreen commands or instructions to factory reset/master reset your iPhone.

Fifth solution: Restore your iPhone SE in DFU mode.

Should a master reset failed to offer ultimate solution, the very last option you can try on would be a DFU mode restore. DFU or Device Firmware Upgrade mode is a state wherein your iPhone can communicate with iTunes on a computer without activating the bootloader or iOS. In this mode, you can update, downgrade, or jailbreak your iPhone. But Apple does not recommended jailbreaking, so consider that out from your options. Again, you will need to use iTunes on a computer to get this done. If you’re willing to give it a try, then here’s how to put your iPhone SE in DFU mode and restore iOS through iTunes:

  1. Connect your iPhone to your computer using the supplied Lightning cable.
  2. Open iTunes on your computer while your iPhone is plugged in.
  3. Then press and hold the Power button and Home button simultaneously for 8 seconds.
  4. After 8 seconds, let go fo the Power button but keep holding down the Home button.
  5. When you see an iTunes message saying that, “iTunes has detected an iPhone in recovery mode…”, release the Home button.
  6. Your iPhone screen will then become completely black. This denotes that you’ve already entered DFU mode. If you see any logo on your iPhone screen, it means you haven’t entered DFU mode and that you need to start from the beginning.
  7. Once you’re in DFU mode, you can restore your iPhone SE using iTunes.

Follow the onscreen commands to complete iOS restore in iTunes. If that fixed the problem, then you’re good. Otherwise, you need further assistance.

Ask more help

Contact Apple Support or your carrier to report the issue if it persists after exhausting app possible means to fix the problem on your end. Doing so will let them know of the problem, make further assessments, and if necessary, include it in the list of post-update issues to resolved in the next fix patch.

Alternatively, you can visit the nearest Apple service center in your place and let your iPhone SE be diagnosed by an authorized technician. It’s also possible that your device might have acquired some sort of physical or liquid damage and that it so happened the symptoms begin to transpire after updating your iPhone SE to the latest version of iOS. Don’t forget to take the charger with you so that the technician can look into it as well. A damaged or defective charging equipment can also be the underlying cause of the iPhone overheating. A new charger replacement might be necessary.

Connect with us

If you need more help with the use of certain functions and features of the new Apple iPhone 7 smartphone, feel free to visit our Tutorial Page. There you can find a list of how-to contents, step-by-step tutorials, as well as answers to FAQs regarding iPhone 7. If you have other concerns or encountered some troubles while using the phone, you can reach us through this form. Just be sure to tell us more details of the problem or device issue(s) you may have and we will be more than happy to assist you further.

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