How To Fix iPhone Keeps Restarting

So you’ve got yourself a shiny, brand new iPhone. It’s been working just fine for a while, but then it suddenly begins to simply turn off. This happens repeatedly, and out of the blue.

What do you do?

If you haven’t become too attached to the thing, you head back to the Apple Store and get it replaced. If you’re one of the lucky ones who got the device recently and are eligible for replacement without paying a hefty sum, you should definitely do that. For all the rest you, keep reading this article!

My iPhone keeps restarting! What do I do?

It seems this problem occurs mostly with older iPhones, like the iPhone 4s, 5, 5c, 5s models which upgrade to iOS 8 or later. The underlying problem here could be a hardware-software incompatibility issue, but there’s no definitive diagnosis, and frankly, it’s not even that important at this point.

We’re here to try to fix this malfunction, so here are a few steps to try:

Turn cellular data OFF and ON: As strange as this may sound, some users have apparently solved the problem by turning their cellular data off and then turning it on again.

While this might not be the fix for everyone, it’s still the simplest thing you can try, so it’s worth a shot at the very beginning.

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To do this, go to Settings -> Cellular/Mobile -> Turn On/Off Mobile Data.

Reboot iPhone: To reboot your iPhone, hold down the power button and the home button simultaneously for a few seconds. The Apple logo will appear on the screen of your device and the iPhone will immediately reboot.

Reset iPhone: To reset your iPhone, go to Settings → General → Reset → Reset All Settings.

Faulty App: The App Store prides itself on being extremely secure, with its thorough vetting process all apps have to go through. Nevertheless, every now and again some applications might slip by which can cause trouble for users who downloaded them.

Look for the apps you’ve installed just before the issue started to occur. Try deleting them and see if things get resolved.

Restore from an old backup: If that doesn’t do the trick either, you can try restoring the device from an older backup (this, admittedly, might be a bit tricky if your phone keeps restarting really often).

Connect your iPhone to iTunes on the system and then restore from an old backup, one dating back to before the problems first started.

Recovery Mode + Restore: This is probably the best solution of all. Harder to implement if the phone is shutting down really frequently, but nevertheless worth a shot. You will have to:

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– Hold down the power and home button until the screen goes blank
– Now connect to iTunes, which will detect the iPhone in recovery mode
– You can only restore now, so restore your device

iPhone keeps restarting - Restore iPhone

If everything went well, you will end up with an iPhone that’s ready to be set up. You will have to try setting it as new, since you don’t want to get the old problem again.

Use ReiBoot: Another great option to try in order to fix this issue without losing any data (if you do you can find out here how to recover data from inactivated iPhone) from your smartphone, following a few easy steps:

First, download ReiBoot (Mac | Windows)

Connect the device you are having trouble with to your computer via a USB cable. Run ReiBoot.

In the Interface, click “Enter Recovery Mode” to put iPhone into recovery mode.

After reiBoot puts the iPhone in recovery mode, click “Exit Recovery Mode”, at which point ReiBoot will force your iPhone to restart. After a few seconds, your smartphone will reboot to normal.

Replace iPhone battery: Sometimes the problem could simply be a faulty battery. If everything else fails, the reason your device just powers off could be because, well, its power source isn’t doing its job.

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Unfortunately, this isn’t something you can fix yourself, even with the help of the internet, so the only thing left to do is going back to the Apple Store and letting the professionals handle it.