This post will highlight the reason why an iPhone, iPod, or iPad switches off all of a sudden when there is 50%, 30%, and other percentage levels of battery remaining, and what can be done to resolve this issue.

iphone turn off with battery left

There are no guarantees. Your iPhone could be water damaged or have some other issues, but we can say one thing: the solutions you’re going to go through solve the problem in most instances.

Is It Because The Battery Is Faulty?

This shouldn’t be the case. In most instances, it’s got nothing to do with the battery. The software communicates and monitors the remaining battery life on iPhone. If the firmware or software doesn’t communicate properly, the right percentage won’t be displayed.

So like apps on the device, glitches can be present in the firmware too.

Is This More In-Depth Than Simple Software Glitch? Of course. If it’s not software or hardware related, there’s something wrong with the firmware.

iphone shutdown with battery remaining

Resolving The Glitch on iPhones That Switch off Even When There’s Battery Life

The DFU restore is needed. DFU is the acronym for Device Firmware Update. Performing this will restore the firmware and software on your device, so it’s a restore that’s deeper even than recovery mode, says Apple on its website. You can check out this article to perform the DFU restore, and then come back here again to read on.

Give iPhone Recalibration Time

Now that the iPhone is fresh and apps are beginning download, wait a few days till your iPhone recalibrates and get familiar with the battery. Charge the iPhone full and discharge it full a few times, before seeing the problem was solved or otherwise.

When Every Option Has Been Attempted

iphone shuts off with battery left

If the issue contains after the DFU restore, the iPhone needs to be restored. You can visit a local Apple outlet by making an appointment, or go to to start the repair process. CellSavers is a cheaper option; this is an in-person service that takes 30 minutes to come to replace your service. is another high-quality solution.

The external battery packs bought from Amazon or eBay won’t help if the iDevice is damaged.

Over to You

UnlockBoot hopes that the tips mentioned above stops your iPhone from switching off when there’s still battery life. Keep visiting our website to read about more fixes for the common problems faced by iDevice owners.

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Stephan Popov
When iDevice users experience problems with the iOS software or unlocking, it is not uncommon for their lives to unravel. My passion is providing answers to your problems. I help iPhone, iPad and iPod Touch users by recommending fixes for common iOS bugs and tools that improves your experience. I conduct in-depth research for every topic i cover on this blog, to ensure that I cover everything Apple users need to troubleshoot their issues. When not writing for UnlockBoot, i enjoy swimming in my backyard pool. P.S. i prefers the Maldives for holidays. Connect with me on Facebook, Google Plus and Twitter.