iPhone Won’t Turn ON or Randomly Turns Itself Off: How to Fix This

When your iPhone switches off randomly, without any reason, you begin to worry about the device or software. This is one of the common problems many users face. You can troubleshoot this issue by following a few tips and tricks.

Some of us have been there before: everything seems to be going fine when, your iPhone randomly turns off itself, or your iPhone won’t turn on. And it won’t wake up either. In most cases, this is a battery charge issue. (Your iPhone won’t switch on even if there’s 5% battery remaining). But it could also be due to other problems.

We’ve tried to list them out here. Since this is a vague and ambiguous problem, troubleshooting an iPhone not turning on after randomly switching off can take a lot of trial and error. Be sure to hit us up if your iPhone goes kaput and you need to wake it up.

iPhone Randomly Turns Itself Off: Tips to Fix This Issue

Tip #1. Force Restart your iPhone

A hard reset or force restart can fix a lot of issues on your iPhone. Normally, this method comes to your rescue when your iPhone shuts down on its own, or keeps crashing, or does not charge. Sometimes, iPhone battery drains quickly especially after software update. To solve all these problems, you can force restart your device.

With iPhone 7, Apple changed the method to restart device. If you have iPhone 6s or earlier models, you can press and hold the sleep/wake button and home button simultaneously to force restart.

For iPhone 7 and 7 Plus, follow this method to reboot your device. If you own iPhone 8/8 Plus, iPhone X and later devices, rebooting the device follows another method in the absence of home button.

Tip #2. Connect to the Wall Charger & Wait

The first thing you’ll need to try out is connecting the iPhone to a wall-charger. It might not necessarily be a battery issue but this is the first thing to try.

After you connect, don’t expect the iPhone to boot up instantly. You might have to wait for about 5-10 minutes. In some rare cases, it might take up to 20 minutes for the iPhone to boot.

If the iPhone boots up after a while, check the battery icon. If it’s in the red zone, we’re just talking about a battery-issue. If not (if the battery is above 20%, green), some issue with the software might have caused the iPhone to shut down abruptly.

If the iPhone does not fire up at all, try pressing the home+sleep/wake button while the iPhone is connected to the wall charger. There is no logic behind this except that the combination usually kicks iPhone into the recovery mode.

If this worked, you should see a “connect to iTunes” screen which shows a lightning cable and the iTunes icon. When this happens, connect your iPhone to iTunes and proceed to do a recovery/restore. (yes, data is at the risk of being lost unless you’ve backed up before).

Tip #3. Put Your iPhone into DFU Mode

Device Firmware Update (DFU) helps you upgrade your iPhone to the preferred iOS version. Note that DFU mode is different from Recovery Mode, which only installs the latest available iOS version on your iOS device.

Apart from software update, DFU mode can resolve a lot of adamant issues, which cannot be troubleshot by traditional restore or Recover Mode. Check this complete guide on how to put your iPhone into DFU mode.

Tip #4. Update Apple Software

There are many instances when the software update has fixed a lot of issues. Random shut-down of your iPhone may have caused by a pending software update. You can check for the iOS update on your device, and then download & install the latest software released by Apple.

Tap on Settings then General then Software Update on iPhone

If you have enabled automatic software update, you are not supposed to hit the trigger every time Apple releases update.

Before you update your device, you need to take backup of your iPhone to iTunes.

Tip #5. Check Battery Usage

Frequent battery drains can also shut down your iPhone randomly. This normally happens after a software update, or some apps behave weirdly on the device. In any situation, you can run a check of battery usage on your iPhone. This gives you an understanding of which apps consume more battery on your phone.

Tip #6. iPhone Battery Replacement Program

After checking the battery usage on your iPhone, you must have taken some measures to improve battery life on your device. However, when your iPhone battery does not improve, you need to go for battery replacement program. Visit Apple Support page of battery and power repair, and start a battery replacement.

#4. Check for Physical Damage (Screen, Sleep Button, Home Button, Liquid, etc.)

A physical damage might also cause a random, abrupt switch-off.

Check the Power Button: is it pressed or damaged in someway? If the power button is damaged, it could be causing a circuit issue within the iPhone that could switch it off randomly (and prevent it from switching on)

Check the iPhone Power Button

Liquid damage: in case of your iPhone coming into direct contact with a liquid (most likely, water) the screen circuits might be affected. That might prevent the screen from turning on or displaying anything. Check for indications in the liquid contact indicator.

Check iPhone Liquid damage

If there’s liquid-based damage, the warranty won’t cover it but there’s only one way to get the problem fixed: Apple service center.

Contact Apple

When all your attempts fail to yield any result, you should contact Apple in the last resort. Fix an Apple Genius Bar appointment and get tech support.

That’s all friends!

Signing off…

A sudden shut-down of iPhones is a serious issue especially while you are using your device for purchasing an app or any other products/services. Hope this troubleshooting guide can solve the issue.

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