8 Tips to Troubleshoot iPhone Keeps Restarting

Q:"My iPhone keeps restarting suddenly. This has gone on for several days and directly affects my use of iPhone, especially when I am having a calling with others or paying online. How can I fix this issue? I'm really upset at present." - Aron

As a matter of fact, many users are facing the problem of iPhone keeps restarting and are seriously annoyed by this. Surely, situation can be even worse if you have no experience and don't know who to resort to. Stop bumping into different forums and communities. Just follow our steps to learn some ways that you can do on your own in this article.

Why Does My iPhone Keep Restarting?

A reboot of your phone might be different. For some, it may be stuck in a boot loop, with the Apple logo appearing and disappearing over and over again and never functioning properly. For others, it may be rebooted temporarily, you can use it normally for a period of time, but the gadget can be rebooted suddenly. In either case, let's see what causes it below:

1. Unstable driver: your phone may be in a restarting cycle when there is damage to its internal system and leads to unstable driver.

2. Update error: abnormal, incomplete, or interrupted iOS update can cause system problem and make your iPhone into restarting loop.

3. Malicious software: any malware you download or get via jailbreak can easily break your phone's security.

4. Hardware problem: a heavy drop or water damage can result in hardware issues, such as the Power key.

1. Force Reboot iPhone

As usual, hard restarting iPhone can take away some bugs with ease. It's also a simple way to break iPhone ongoing power cycle. Now get down to pressing and holding both "Home" and "Sleep" buttons for 10 seconds; release them until the Apple logo appears. Likewise, you can press the "Power" and "Volume Down" buttons at the same time on iPhone 7.

hard reset iphone

2. Delete Faulty Apps

Sometimes, iPhone keeps restarting itself issue is related to the downloaded apps, which come with bugs and lead to app confrontation. Under this circumstance, what you ought to do is find the harmful apps and remove them from your iPhone. Go for "Settings" > "Privacy" > "Diagnostic & Usage" > "Diagnostic & Usage Data" to see a report and check the list.

delete faulty apps

3. Reset All Settings

As is often the case, factory reset iPhone can work to solve various iOS issues. You can do it as well to get out of iPhone restarting trouble. To do this, you are supposed to go to "Settings" > "General" > "Reset" > "Reset All Settings" to reset all iPhone settings to factory default.

reset all settings

4. Restore iPhone with iTunes

Restore your iPhone can be considered as one solution too. It is totally easy to carry out. However, what you should keep in mind is that all data and content saved on iPhone will be erased. Therefore, back up iPhone data in advance. Then run iTunes and connect iPhone. You can "Restore iPhone" after the recognition. If iTunes has trouble in detecting your device, put it into recovery or DFU mode and then restore.

restore iphone itunes

5. Update iOS Version

Updating iOS system can often help us eliminate potential failures or bring in better features. As a result, it's possible to fix iPhone keeps restarting loop. You can go forward to "Settings" > "General" > "Software Update" to update to the newest iOS version. Or use iTunes to handily make it.

ios software update

6. Fix iPhone Keeps Restarting Itself [No Data Loss]

Want to repair your troublesome issue without losing data at all? Just ask Joyoshare UltFix iOS System Recovery for help. It has strong problem-fixing ability to get your iPhone out of Apple logo, DFU mode, black screen with spinning wheel, restarting loop, screen frozen, etc. Better yet, it offers a quick, free, one-click option to exit from recovery mode.

Main Features of Joyoshare UltFix iOS System Recovery:

  • Fix various types of iOS/tvOS issues without data loss
  • Free solution to both exit and enter recovery mode
  • Compatible with the newest iPhone 11 Pro Max and iOS 13
  • Effectively repair restarting loop on iPhone using two modes

Step 1 Run installed Joyoshare UltFix

Download this Joyoshare UltFix iPhone system recovery on your computer and start the program whenever you need to fix the system. Apply an USB cable to connect an iPhone that you have problem with and click on "Start" to continue once it's recognized.
connect iphone to joyoshare ultfix

Step 2 Designate standard mode

There are standard mode and advanced mode to let you select from. To fix iPhone keeps restarting issue with no data damage, you are advised to directly choose the first "Standard Mode".
choose standard mode

Step 3 Enter DFU mode

Acoording to the actual situation, choose a device model and go on to put your iPhone into DFU mode or recovery mode. Simply refer to the onscreen steps until the "Next" button becomes clickable.
boot iphone into dfu mode

Step 4 Download matchable firmware package

After go into DFU/recovery mode, you'll be asked to confirm relevant device info. If you're sure, you can "Download" a compatible firmware package and finish verification.
download firmware package to verify

Step 5 Fix iPhone to normal

Initiate a process with "Repair" option to unzip the ready firmaware package and fix the iOS. Wait until the progress bar completes. It'll losslessly repair your iPhone restarting problem and let it work again.
fix iphone keeps restarting

7. Remove SIM Card

In case there is connection problem with your wireless carrier, you can eject the SIM tray to remove SIM card from iPhone device and then insert it back to it. After that, check whether your iPhone can reconnect to carrier and becomes normal without restarting error.

remove and reinsert sim card

8. Check the Hardware

Have a close at your iPhone's hardware component. Clean visible debris or dirts inside your charging port. Or check if there is obvious physical damage by yourself. Do get rid of the phone case and examine carefully. If you cannot find any hardware problems to repair, you can go to Apple Store nearby.


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