Iphone goes on and off

iPhone Turns off And On by Itself in iOS 15/14? Here’s Real Fix

by Anna Sherry Updated on 2021-08-23 / Update for iOS 13

Question reflected by a netizen:
Any idea what is the issue when an iPhone 7 restarts by itself two or three times continuously? Any idea if the problem is caused by a faulty battery (although battery status seems ok), issues with the iOS or any virus. Thanks in advance.

Recently, many iPhone users, especially those who have updated their iPhone to iOS 15/14.7, reported that their iPhone turn off suddenly and restart by itself. When it happens, what can we do? In fact, iPhone shuts down and restarts on its own is one of the most common issues you may encounter. If you encounter the same problem, then you have come to the right place. In this article, you can know the common reasons why iPhone shuts down by itself and learn how to fix this issue through different methods.

Part 1. Why Does My iPhone Turns off And On by Itself after iOS 15/14.7 Update

There are many possible reasons of why iPhone keeps turning on and off in iOS 15/14.7, here, we list some of the most common causes below:

• iOS Update Failed: If you failed to update or you stop the progress of update, it might cause iPhone turns off and on by itself.
• Battery aging
• Insufficient storage space
• Attack by malicious software: If your iPhone is Jailbroken, you can install apps from other sources which are limited by Apple. However, jailbroken iPhone is more vulnerable to attack by malware, resulting in the iPhone trouble happen such as iPhone turns off and on by itself.
• Hardware Problem

Part 2. Top 7 Ways to Fix iPhone Turning On And Off by Itself after iOS 15/14.7 Update

Way 1. Force Restart When iPhone Shuts Down Randomly (The Most Direct Method)

• iPhone 6s: Press and hold both the power button and the home button at the same time, don’t release until the screen turns black and then the Apple logo appears.
• iPhone 7 and 7 Plus: Long press on the volume down button and the power button. When the Apple logo shows up, you can release both buttons.
• iPhone 8/X/XS/11: Press the volume up button and release; Then, press the volume down button and release; Last, long press on the side button until the Apple logo appears.

Way 2. Wait for iPhone Running out of Battery Power

If your iPhone goes wrong from time to time, such as shuts down randomly. It could be the battery problem. So how to make sure if it is the battery problem that results in your iPhone turning on and off by itself? The easiest way is to drain the battery.

1. Firstly, do not recharge your iPhone but let it shut down automatically due to insufficient electricity. It might take you some time to wait for the process.

2. When the battery is truly exhausted and iPhone has turned off, you can plug your iPhone to power to charge the battery.

3. Wait till the battery is charged fully and then turn on your iPhone again to check if the problem is solved.

Way 3. Quickly Fix ‘iPhone Keeps Turning On and Off’ Without Data Loss (Recommended)

After trying the two methods above and your iPhone still turns off and on by itself? In this case, there may be something wrong with your iOS system. There are many ways to fix iOS problem, but most of them will cause data loss. Here, we recommend you a reliable software to fix various iOS problems without data loss. That is, Tenorshare ReiBoot. This software is able to restore your iOS to normal and also fully compatible with the latest iPhone 11/11 Pro/11 Pro Max/XS/XR/8. The interface is very clear and it is very easy to operate. You can try to download and install this tool on your computer. After installed, follow the steps below.

Step 1 Launch the software and then connect your iPhone to computer. Click “Start” when it detects your device successfully. (Note: It is suggested to use the Apple original USB cable to ensure the smooth progress of the repair.)

Step 2 Next, you will enter another interface. Just select and click on the “Standard Repair” button to proceed.

Step 3 Click “Download” button then the software will automatically download the latest firmware package for your iPhone.

Step 4 After the firmware package is downloaded, you can click “Start Standard Repair” to start repair your iPhone.

Step 4 It will take you some time to wait. Once the repair process is finished, your iPhone will restart as normal.

Video Guide: How to Fix iPhone Turns Off And On by Itself with ReiBoot?

Way 4. Restore iPhone with iTunes to Fix iPhone Keeps Turning itself off(Data Loss)

Step 1. Launch the iTunes on your computer, please make sure that the iTunes is the latest version. Connect your iPhone to computer via USB cable.

Step 2. After iTunes detect your iPhone successfully, click the device icon and then select the Summary. On the right bar of iTunes, click “Restore iPhone”.

Step 3. Then, it will pop up a window asking you to select a backup to restore your device. After selecting, click “Restore”. When the process is completed, your iPhone will be back to normal.

Way 5. Uninstall Unimportant Apps If iPhone Keep Turning itself off

If the automatic restart phenomenon occurs frequently, you can check if there is unstable app. If you update to iOS 15/14.7or more recent update, some apps may be not compatible with your current iOS system, which will cause trouble on iPhone such as screen won’t turn on or iPhone shut off randomly. Therefore, you can try to delete the app which you recently install or those unimportant apps. After uninstalled, check if your iPhone is back to normal.

Way 6.Update iOS Version If iPhone Turns off And on by Itself in iOS 15/14.7

If it still can’t be solved, then check if your iPhone 11/X/8/7/6s has a system update prompt, if any, please try to upgrade the iOS system to the latest version, eg. iOS 15/14.7. Usually, the new version of iOS will bring the bug fixes, so it might be the perfect solution to solve the problem of iPhone turning on and off by itself. The upgrade method is as follows: Open Settings > General > Click “Software Update”. If there is a new update, just tap “Download and Install”.

Way 7. Contact Apple

If all of the methods above fail, there may be something wrong with the internal hardware of your iPhone. It is suggested that you bring the purchase invoice and mobile phone repair voucher to contact Apple’s after-sales service or just visit the nearest Apple Store to test and repair your device.

Summary

If your iPhone turns off by itself occasionally, it may be caused by an iOS system bug, a sudden phone crash or other reasons. Then you can try to use the 7 ways we have introduced in this article. If you think it difficult to troublesome the problem one by one and are tired of those complex procedure, Tenorshare ReiBoot is your good choice. With just a few mouse clicks, you can fix your iPhone turns off and on by itself in iOS 15/14.7. It is also a free tool to enable you one-click to put your iPhone 11/X/8/7/6 in recovery mode. Apart from fixing the auto-restart problem, it can also fix iPhone stuck on apple logo; black screen, etc.

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6 Tips to Fix ‘iPhone Keeps Turning On and Off’ [2021]

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Home > iPhone Issues > 6 Tips to Fix ‘iPhone Keeps Turning On and Off’ [2021]

March 15, 2019 (Updated: July 28, 2021)

561 views , 4 min read

The «iPhone keeps turning on and off» is one of the most frustrating things you may experience as an iOS user. An iPhone reboot loop can be caused by different reasons, thus there are various fixes according to the circumstances. If you are getting frustrated or worried about this, you do not have to.

If you are encountering this issue presently, you are lucky enough to read this article. In this post, we’ll list 4 possible reasons for iPhone keeps turning on and off, as well as 6 workable solutions for this issue. Check out these methods right here now.

Part 1. Why Does My iPhone Keep Restarting?

When you turn on your iPhone, it displays the Apple logo, and instead of booting the phone normally, the phone goes off and displays the Apple logo all over again. This could be due to many reasons, and you need to know what the reasons could be.

Failed Update

This is one of the most common reasons why your iPhone keeps turning off and on. If you recently attempted to update your iPhone to the new iOS 15 beta/14/13 and the process stopped halfway or the update failed, it could result in the problem of the iPhone shutting off and back on repeatedly.

Attack from Malware

This hardly happens with a normal iPhone except jailbroken ones. В Jailbroken iPhone can install apps from other sources thereby making the device vulnerable to external security threats like malware. If you have an app that you installed from an untrusted source to your iPhone, it can result in iPhone continuously restarting.

Hardware Problem

Hardware problems are rare, but sometimes a malfunctioning component of your phone can make it start turning on and off. For example, the power key on your iPhone may be bad which may cause your iPhone to start going on and off.

Unstable Driver

If you just made some changes on your phone and the driver is malfunctioning, it could result in a reboot loop, and you may have to update your phone’s firmware to fix the problem.

Part 2. Fix iPhone 12/11/X/8/7/6 Turns on and off Repeatedly

We will introduce the top 6 ways to fix the iPhone turns on and off issue. Before checking the details of each method, you can have a look at the comparison table first.

Success Rate	Difficulty	Required Time	Data Loss	What Can Be Fixed
Drain iPhone Battery	10%	Easy	Long	No	Only battery issues
Offload Unused Apps	20%	Easy	Short	No	Only app issues
Hard Reset	30%	Easy	Short	No	A few software issues
Update iOS Version	50%	Easy	Long	No	Some software issues
iMyFone Fixppo	100%	Easy	Short	No	All system/software issues
Apple Support	100%	Complex	Long	Depends	Most hardware/software issues

1. Drain iPhone Battery

If your iPhone begins to malfunction such as going off and coming back on all by itself, there is probably a problem somewhere, and a simple trick like draining the phone’s battery can fix things.

• Allow your iPhone’s battery to get drained completely. It might take some time to do this, but you have to wait the time out so the battery can completely discharge. Wait till the iPhone shuts down on its own.
• Plug your iPhone to power and allow it to charge fully.
• Once the battery is full, turn on your iPhone to see if the problem is fixed.

2. Offload Unused Apps

Check the apps on your device. Clear out those apps that you do not use anymore. It is pointless keeping applications that you do not use or need. By clearing them, you will be freeing up some useful storage space and at the same time help your iPhone run more smoothly.

With iOS 14/13 or more recent updates, your device will offload unused apps automatically. This feature is impressive because the apps get deleted but not their data. Therefore, when you reinstall the apps, you can recover the data.

3. Hard Reset iPhone Shutting off and on

Hard reset your iPhone might fix the issue of your iPhone turning on and off. This process varies by iPhone model, and the steps are highlighted below.

• iPhone 6s, SE andolder models: Simultaneously press and hold the home and power buttons until the screen turns black then afterward, the Apple logo shows up, then let go of the buttons.
• iPhone 7 and 7 Plus: Press and hold the power button plus the volume down button at the same time. Release the buttons immediately you see the Apple logo on the screen.
• iPhone 8, X, 11 and 12: Press the volume up button firsthand the volume down button and then press the side button and hold it until the Apple logo shows up.

4. Update iOS Version

From time to time, Apple pushes out new versions of iOS to fix some software issues as well as introduce new features. If your iPhone that keeps going on and off is a result of software issues, updating the iOS version might just be the perfect solution to the problem.

Check if there is a new update for your iOS by going to settings, then tap «General» and then «Software Update». If there is a new update, tap «Download and Install».

5. Fix ‘iPhone Keeps Turning off and Back on’ without Data Loss

After trying all of the methods above and your iPhone continues to go on and off, then it is time for you to avail of other means to fix your iOS problem. There are many other methods that you can try, but most of them usually will lead to loss of data.

We introduce to you a reliable and efficient method that will not lead to loss of data on your phone — iMyFone Fixppo.

• This is an efficient iOS recovery tool used to fix a wide range of iOS issues and can be used especially to fix the problem of iPhone turning on and off without any data loss.
• It works well on all iOS devices and iOS versions, including the latest iPhone 12/12 Pro/12 mini and iOS 15 beta/14.
• It is 100% secure to use and highly recommended by famous media sites, such as Cult of Mac, Macworld, Engadget, Techradar, Muo, etc.

Get the software on your MacBook or PC and select standard mode. Check out the steps to fix your iPhone below.

Step 1. Download, Install and Launch iMyFone Fixppo on your PC. Select Standard Mode from the main interface of the software.

Connect your iPhone to your PC or MacBook. Click on the «Next» button. Make sure your iPhone is unlocked so the tool can detect the phone.

Step 2. After iMyFone Fixppo has detected your iPhone model, you will see the different firmware versions available for your device. Select the latest version for your iPhone and download it.

iMyFone Fixppo will verify the downloaded firmware and extract the software you need to fix your iPhone. Click on «Start» to start fixing your iPhone.

Step 3. iMyFone Fixppo will fix your iPhone automatically on its own. You only have to keep your iPhone plugged into the computer throughout the process.

6. Contact Apple

Sometimes some problems can be bigger than any of the above methods. It could be a bad battery, shortened circuits, etc. Once you realize that the problem is beyond what any of the above techniques can solve, visit the nearest Apple Store to fix your iPhone.

Conclusion

If you had an iPhone that keeps turning on and off and you tried any of the methods above, we do hope it is the iMyFone Fixppo Recovery tool. If you have not made any attempts to fix your iPhone, you can download and install Fixppo today to fix your iPhone without losing data. Many other users have also left feedback on it.

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