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How to fix an iPhone 7 Plus that responds very slowly after updating to iOS 11.3.1 (easy steps)

Software updates generally offer new features and system enhancements that make devices perform better and faster. But in contrary, some high-powered devices have somehow become underrated from updating. Just like what has occurred to some iPhone 7 Plus variants after the iOS 11.3.1 update implementation. Instead of performing better, they were slowing down. Several factors can make this happen. It could be due to a shrinking storage on the iPhone or the update file size might be too big that it used up all the remaining space of your phone’s internal memory. Or it could be due to an update bug that might have messed up your settings and eventually resulted to erratic system processes. Generally, the problem is software-related and therefore can potentially be resolved at home with certain workarounds. To give you some inputs whenever you would have to deal with the same issue after updating your iPhone to the latest iOS version, here’s a rundown of some recommended workarounds and generic solutions you can refer to. Start whenever you’re all set to troubleshoot your device then.

But before anything else, if you have other concerns with your iPhone 7 Plus, make sure you drop by our troubleshooting page for we have already addressed some of the most commonly reported issues with this new iPhone. If you need further assistance or if you can’t find what you’re looking for in that page, fill up our iPhone issues questionnaire and hit submit. Don’t worry, it’s a free consultation service so you don’t have to worry about anything. Just give us more information about the problem and we’ll do our best to help you fix it.

First solution: Quit background apps the reboot.

Errant apps running in the background hare also among other factors that contribute to poor performance issues in mobile devices as depicted by symptoms of sluggishness and late touchscreen responses. To make sure this is not what’s causing the same problem on your iPhone, quit all background apps and then reboot your device. Here’s how to quit background apps on your iPhone 7 Plus:

  1. Press the Home button twice quickly. Doing so will show up a list of your recently used apps.
  2. Then swipe up on each app’s preview to clear it.

Once you’re done closing apps, perform a soft reset or reboot your iPhone. You can do the usual reboot process or perform a force restart if needed.

  • To restart or soft reset your iPhone 7 Plus, press and hold the Power button until the Slide to Power off prompt appears. Drag the slider to turn your iPhone completely off. Then after 30 seconds, press the Power button again until the Apple logo appears.
  • To force restart your iPhone 7 Plus, press and hold down the Power button and the Volume Down button simultaneously for about 20 to 30 seconds. Then release both buttons when the Apple logo shows up on the screen.

Both these restarts won’t affect your data so you won’t lose any information stored on the internal memory of your phone.

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Second solution: Check and manage internal memory.

Another possible reason as to why your iPhone is slowing down or responding to touch input commands very slowly is due to insufficient memory space. This is likely the case if you’re fond of downloading new apps and contents especially multimedia files. The new file update can be complex and therefore comes in bigger file size. This denotes the need to allocate more available storage space.

To view free storage space on your iPhone 7 Plus, go to Settings-> General-> iPhone Storage.

Check the used and available memory and find out what is using the phone’s memory from the graph. Scroll down to view how much memory each app is using.

You may have to consider uninstalling unnecessary apps especially those that are using the large amounts of ROM. Here’s how to get started:

  1. Tap Settings from the Home screen.
  2. Tap General.
  3. Go to Storage and iCloud Usage.
  4. Tap Manage Storage.
  5. Wait until the list of apps populates under Storage.
  6. Determine which applications are using the most space based on the list details.

Deleting unnecessary text (SMS) and picture (MMS) messages, clearing browser cache, cookies or history, and clearing all call logs can also help free up some space of your iPhone’s internal storage.

Third solution: Update or Delete rogue apps.

Updating apps can also help improve your device’s performance and speed. App developers also roll out updates especially when a new update to iOS released. This is to keep their app compatible and work smoothly with the new platform. Having said that, check for any available app updates to install.

  1. To manually check for app updates, go to the App Store-> Updates menu. Apps with pending updates will show up in the list.
  2. To update individual app, tap the Update button next to the app. Otherwise tap Update All to install multiple updates for your apps at once.

Meanwhile, you may consider deleting unwanted apps especially the ones that are going rogue. Aside from occupying space on your internal storage, rogue apps will likewise cause your device to slow down. So take note of all errant apps including those that are constantly crashing, freezing, and prompting unknown errors and warnings. Then follow these steps to delete them from your device:

  1. Tap and hold on any app icon from the Home screen.
  2. When the icons start to wiggle, tap the X in the corner of the app you want to delete or uninstall.
  3. Tap Delete to confirm.

When you’re done deleting or uninstalling errant apps, reboot your iPhone to apply the new changes and to refresh its memory.

Fourth solution: Reset all settings on your iPhone.

Some software updates are programmed to automatically override current settings on the device. Hence it is possible that the new update has messed up your settings and so you need to reconfigure your device manually. But reverting individual settings or options can take time and possibly leads to getting more errors. This is where you can use the reset all settings option on your iPhone. Just follow these steps to get started:

  1. Tap Settings from the Home screen.
  2. Tap General.
  3. Scroll to and tap Reset.
  4. Select the option to Reset all settings. This will restore your iPhone settings to their default values without affecting any data stored on the internal memory.
  5. If prompted, enter your device passcode to continue.
  6. Then tap the option to confirm reset if necessary.

Reboot your iPhone to implement the changes then set up the features you want to use including Wi-Fi and Bluetooth.

Fifth solution: Restore your iPhone to factory defaults.

As your last option, you may resort to performing a factory reset or master reset to wipe your iPhone, restore its factory default settings and set it up as new. Doing so will effectively remove any complex update bugs and errors from within the phone system that might have caused your iPhone 7 Plus to slow down. You can carry out a factory reset through your iPhone settings or using iTunes on a computer. Either way results to data loss so don’t forget to back up your iPhone data beforehand. Here’s how to reset your iPhone 7 Plus to its factory defaults via settings menu:

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

Your iPhone will reboot automatically when the reset is finished. After it completely boots up, you can proceed with the initial setup process.

Aside from factory reset, you can also consider performing a DFU mode restore on your iPhone 7 to wipe everything from the current system including bugs or corrupted data and restore your device from a previous iOS backup file.

Seek more help

Contact your carrier or Apple Support to report the issue if it continues after exhausting all possible means to fix the problem on your end. Aside from having them assessed the issue, you can also ask other options and/or temporary solutions.

If you get no help from calling tech support and that your iPhone 7 is still responding very slowly, then you may have to consider taking your device to a service center instead.

Engage with us

If you have other issues with your Apple iPhone 7 Plus, we are always willing to help. Contact us through our iPhone issues questionnaire and provide us with all necessary information about your problem so we can find a solution to your issue.

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