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iPhone Keeps Restarting: Here is Why and How

--Friday, Feb.17, 2017


"I've been using my iPhone 7 for, just like two weeks, and now it's acting up. It gets restarting now and then and somehow stuck in reboot loop. I neither know why it's happening nor how to fix it. Do you have any idea? Any help is much appreciated." 

- Posted on Apple Communities


It seems that iPhone 7 and iPhone 7 Plus, the two latest flagship devices of Apple Inc., are making an awful nuisance to a number of iPhone fans. Lots of iPhone problems has been reported on different forums. The case on top of this article is just a drop in the ocean. 'iPhone Keeps Restarting' is a common headache among those issues. Also, many users don't even know what cause it. Therefore, here I'm going to tell you what's happening with your iPhone and how to get this annoyance fixed. Now, let's dive in.

Part 1: Why iPhone Keeps Rebooting?


If your iPhone tends to reboot over and over again, it probably means that there are something going wrong on your iPhone in terms of software, content, or hardware. However, it's actually difficult to tell which one is the cause. Therefore, we should find out the culprit at first.


Check whether the storage of your iPhone is using up. If so, it might be due to insufficient memory. If the rebooting issue happens after you open a specific app/tweak, the app/tweak must be the one to be blame. Otherwise, if it's caused by hardware problem, it would be hard to tell. Moreover, this post cannot help solve any hardware, so you have to take it for professional repair.


Restore Messages from iCloud

Part 2: How to Fix iPhone Keeps Booting up?


If you find you iPhone keeps rebooting due to no reasons, here's the solutions for you. Please scroll down and take a shot.


1. Hard Restart your iPhone. Hard reboot will force to turn off all programs in the background as well as re-load configuration. It's the easiest and simplest way to try.


2. Clear up redundant content. Some people said that it's caused by storage problem. If your iPhone is running out of storage, please try to remove unnecessary data like Photos, Videos, Messages, Voice Memos.


3. Check whether it's an app or a tweak making a nuisance. If an app or a tweak is incompatible with iPhone or having bugs, iPhone will keeps rebooting due to self-protection. Accordingly, some people find that iPhone goes black and turns on after launching Instagram, so you might try to delete and re-install Instagram again.


4. Restore your iPhone via iTunes. Please ensure that you've made a full backup for your iPhone. Since restoring iPhone would erase current data, you should keep your important content safe with a backup available. Then, connect iPhone to iTunes and put it into Recovery Mode. Next, go to "Summary" page and click "Restore" to re-install iOS of your iPhone.


5. Reset iPhone as a new device. This method will totally wipe out your iPhone content and settings and reset it as a brand new iPhone. Please try this way only if the former methods fail. Also, back up your iPhone in advance before you proceed. When you're ready, go to "Settings" > "General" > "Reset" on iPhone and select "Erase All Content and Settings".


Part 3: How to Fix iPhone Stuck in Reboot Loop?


Instead of iPhone rebooting, some users report that their iPhone freezes up when reboots and never passes the reboot loop screen. However, don't panic. Here are 3 methods you can give it a go. Please drain down one by one and find the workaround for your iPhone.


First Method: Hard reboot your iPhone by pressing and holding down the "Home" and "Power" buttons until it goes black. Then, turn it on again.


Second Method: Make sure that you've backed up your iPhone in advance. Then, connect iDevice to the latest version of iTunes via USB cable. Now, get your iPhone into Recovery Mode via holding down "Home" and "Power" buttons until it prompts you to connect to iTunes. Click "Restore" option on iTunes and wait till it's over.


Third Method: Use iOS System Recovery to Fix iPhone Stuck in Reboot Loop

iOS System Recovery is a tool specializing in troubleshooting iOS system issues like iPhone Gets Stuck in Recovery Mode, iPhone Keeps Restarting, Screen Freezes up and so on. Though some issues can be addressed via iTunes. iOS System Recovery takes less time and causes no data loss.



Step 1. Hook up to Computer

Go ahead and install iOS System Recovery on your Win/Mac. Next, launch it and connect your iPhone to it. You should put your iPhone into Recovery Mode and then choose "Start".

Note that use "Advanced Mode" only when necessary.


Hook up to Computer

Step 2. Download Related Firmware

Now, the software will automatically detect the model of your iPhone. Please confirm whether it's correct and click "Download" button to start downloading firmware.

Note that you're allowed to download firmware ahead of time if you have no time repairing your device.


Download Firmware

Step 3. Repair iPhone to Normal

When the downloading process completes, it will start to run the repairing process. It might take quite a few minutes, so please wait patiently until it's done. Luckily, the software provides a direct way to fix the issue. Even you're not tech-savvy, you can just finish it by following the instructions.


Repair iPhone to Normal

Do the methods work on you? If yes, I'd be so glad that it proves myself. If you're having any questions, please leave your comments below or directly send email to me. I will get back to you soon. Or, please browse through iFoneTips and see whether other posts might be helpful.



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