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Apple iPhone 6s Plus Power Issues: Won’t turn on, stuck on black screen with spinning circle [Troubleshooting Guide]

Is your #Apple iPhone 6s Plus (#iPhone6sPlus) showing some symptoms of power problems like does not power on, stuck on black screen, or won’t start-up? You might probably think that it is completely dead and useless but might actually not. Before you consider discarding it or procuring a new iPhone device for yourself, you may consider resorting to some available workarounds that can potentially fix your iPhone, bring it back to life and use it further until it could last. Read on to learn what methods you can try on should you encounter similar symptoms that are triggered by software glitches on the iPhone.

Your iPhone is already becoming your trusted companion and likely among the most precious handy electronic devices you’ve own. That being said, your digital life can also be halted when your phone begins to act up and suddenly refuses to power up. This post will help you figure out what could have possibly gone wrong and what must be done to resolve the underlying cause and get your iPhone 6s Plus back up and running.

But before anything else, if you have a different issue with your device, visit the troubleshooting page we’ve setup for the iPhone 6s Plus. We list down every problem we address each week in that page so try to see if we’ve already addressed your concern before. If we did, try to use the solutions we suggested and if they won’t work, then you may contact us by filling up this form.

Possible causes of iPhone 6s Plus black screen with spinning wheel that doesn’t go away

Several factors can put your iPhone 6s Plus in the black screen state, won’t turn on or can’t get past the startup process. Among the most common factors to blame include major software update bugs, memory issues on the iPhone, insufficient charge, bad battery, or worst, hardware damage. So how can each of these factors turn your iPhone into such a mess?

Recent claims have been made by some iPhone 6s Plus owners saying that their phone got stuck on black screen along with spinning circle after installing the iOS 10 platform. Needless to say, problems like this is inevitable when implementing major software updates in mobile devices including the iPhone 6s Plus.  Others have noticed the same black screen issue on their iPhone accompanied by other symptoms like being stuck on the Apple logo as well as on a red or blue screen for a long period of time. In this case, the iPhone is able to turn on but for some reasons, couldn’t start up.

One explanation as to why your iPhone 6s Plus is stuck on black screen after iOS 10 update is that something in the phone’s current system configuration is conflicting with the new platform and thereby caused the device to be in such an unusual condition.

Another possible reason as to why your iPhone can be stuck in black screen with spinning circle is insufficient memory or the remaining available storage space on your iPhone is not enough to allocate the actual file size of the update. As a result, performance issues can emerge including an iPhone that has become sluggish, unresponsive, frozen, won’t turn on or powers on but can’t get past the start-up process.

Sometimes, you might not have perceived that your iPhone has just completely run out of power or the battery is totally depleted and so it won’t turn on no matter what you do. For this reason, connecting your device to a power source is among the first recommended workarounds to try on. Considering there are no existing problems on the iPhone charger or other charging components, your device should get enough charge to turn back on in time.

Another possible culprit is a bad battery. With age and the way you use your iPhone since first day, can also cause your battery to underperform or worst become totally dysfunctional. To ensure that a bad battery is not halting your iPhone to power on, try to check or calibrate the battery this time. If available, you can use a spare battery that is compatible with your iPhone 6s Plus to isolate the problem and see if what you are experiencing right now is just another symptom of bad battery on the iPhone.

In worst cases, the iPhone may not be able to power on due to a faulty hardware or some relevant components were damaged either from a previous instance of dropping or exposure to liquid. Unfortunately, there is nothing more you can do on your end if a hardware damage is to blame. You will have to take your device to an authorized technician for service. Unless you’ve got the skills, tools and guts to work on your iPhone’s hardware by yourself then you can take your chances but you must also consider the risks of possibly damaging your iPhone and completely make it useless in the end.

What to do when your iPhone 6s plus won’t turn on or stuck on black screen during start-up?

Considering that the root cause of the problem lies within the iPhone’s software structure, end-users like you can still do something to fix it. To assist you further, I have listed some highly recommended procedures used by other iPhone owners who have dealt with the same issue on the same handset. You may opt to take your chances and give any of these solutions a try on your end before contacting Apple Support or pay for service.

Step 1. Restart/force restart

Minor software glitches can occur anytime in any mobile devices including your iPhone. And often times, symptoms are resolved by performing a soft reset or restarting the iPhone. To restart your iPhone, just press and hold the Sleep/Wake button until you see the red slider. Drag the slider to Power off your iPhone completely. Wait for 30 seconds, and then turn your iPhone back on by pressing and holding the Sleep/Wake button until the Apple logo appears.

In the case where your iPhone is not responding and restarting is not an option, you can perform a force restart or hard reset your iPhone instead. To force your iPhone to restart, press and hold the Sleep/Wake and Home buttons simultaneously for at least 10 seconds until you see the Apple logo. Your iPhone will then reboot and hopefully, could function normally at this time.

Step 2. Charge your iPhone

To eliminate the possibility of insufficient charge, connect your iPhone to a power source and let it charge for a while. As much as possible, be sure to use only the supplied USB cable and charging equipment for your iPhone to avoid having any charging issues triggered by charging equipment incompatibility.

If the battery was completely drained or depleted, allow your iPhone to charge for at least 1 hour before you retry to power it on.

Also ensure no damage on the phone and charging ports and that the battery is not damaged. Carefully check the battery for possible signs of damages including scratches, discoloration or blemishes. Replace the battery with a new one especially if it’s already swelling.

Step 3. Check your iPhone’s memory status

Some instances of an iPhone that does not power on or stuck on black screen are tied to an existing memory issue on the device. Your iPhone may already be running out of available storage space, triggering unusual behaviours to manifest on the handset.

That being said, head over to your iPhone Settings and check the current memory status. To do so, go to Settings-> General-> Usage-> Manage Storage. You will then be prompted with a screen that contains a list of apps and how much storage each one takes up. You can also view more information about each app usage by tapping on an app from the list. If necessary, you can clear the cache or remove temporary files, or uninstall non-essential apps and contents to free up more space. Your iPhone automatically deletes cached files and temporary files when it requires more space for additional contents.

A device restart or reboot is also another way of freeing up memory space on your device.

Another way to check your iPhone storage is using iTunes. To do so, connect your iPhone to a computer with the latest version of iTunes installed. Once connected, proceed with the following steps:

  • Open iTunes on the computer.
  • Select your iPhone 6s Plus from the list of available devices in iTunes. You will then see a bar that indicates how much storage your iPhone content uses divided by the content type.
  • To view more information, move your mouse over a content type like Other or Apps.

You may notice some variations on the storage information like on the reported storage for Music or Videos in iTunes and your iPhone since iTunes categorizes cached files as Other.

Step 4. Put your iPhone in recovery mode to update or restore iOS

If your iPhone still refuses to turn on after completing all prior methods, then you can try putting your iPhone into recovery mode and then perform iOS restore or update via iTunes. In this case, you would need a computer with the latest version of iTunes installed in order to proceed. Also make sure that the computer is running the latest operating system (Windows or Mac) so as to comply with the minimum system requirements for iTunes iOS restore or update.

Once you’ve got everything ready, you may then proceed with the following steps:

  • Connect your iPhone to a computer.
  • On your computer, open iTunes.
  • While your iPhone is connected, force it to restart by pressing and hold the Sleep/Wake and Home buttons at the same time for at least 10 seconds. Do not release or keep holding both the buttons when the Apple logo appears.
  • When you see the Recovery Mode screen, release both the buttons.
  • You will then be prompted with an option to restore or update, select Update to continue.
  • Allow iTunes to attempt to re-install iOS without erasing your data. If successful, iTunes will download the software for your iPhone. The process could take a few minutes depending on the iOS file size to download.

If the download takes more than 15 minutes, your iPhone will exit recovery mode and you will need to repeat the steps in which you do a force restart up to the state when you see the recovery mode screen.

Update to iOS 10.3

The most recent iOS version available for iPhone 6s Plus to-date is the iOS 10.3 beta, which was launched last week of January, 2017. Among the most recent changes brought by the new software would include the new Find My AirPods feature. It is a new Find My iPhone tool that is designed to help users locate lost AirPods. The iOS 10.3 also contains fixes for the 30% battery bug found in iOS 10.2 and 10.2.1. Other enhanced features would include but not limited to the all-new TV app and enhanced messaging features. Overall, Apple’s iOS 10 and 10.3 updates bring major changes to your daily iPhone routine.

Should you wish to update your iPhone to iOS 10.3 via iTunes, please refer to the above steps on putting your iPhone into recovery mode.

Step 5. Use DFU Mode to restore iPhone firmware

If putting your iPhone into recovery mode did not do any good, your next option is to put your device in DFU or Device Firmware Update mode instead. It is another iOS system state that allows your iPhone to communicate with iTunes without having to load the operating system or launch the iOS boot loader. You can use DFU mode to modify the iOS firmware, whether for downgrade or use of custom firmware for your iPhone. The following steps will put your iPhone in DFU mode:

  • Connect your iPhone to a computer with the latest version of iTunes installed.
  • Open iTunes on the computer.
  • With your device completely powered off, press and hold the Sleep/Wake button for 3 seconds.
  • While holding the Sleep/Wake button, press and hold the Volume Down button and keep holding both buttons for 10 more seconds.
  • If you see the Apple logo, it means that you have held the buttons for too long and in this case you will need to start all over. Otherwise, continue to the next step.
  • Release the Sleep/Wake button but keep holding the Volume Down button for 5 more seconds. The Plug into iTunes screen will appear if you have held the button for too long. This means you need to start all over.

Your iPhone is in DFU mode if your iPhone screen remains black after releasing the Volume Down button at the specified period of time. At this point, you will see an iTunes message saying that it has detected your iPhone and will then attempt to restore iOS. Once iTunes is finished restoring iOS, try to power on your device.

Step 6. Contact Apple Support for further assistance

If none of these recommended solutions is able to fix the problem and you still end up having an iPhone 6s Plus that does not turn on or still stuck on black screen, I then suggest contacting Apple Support or your carrier’s customer care to escalate your device concern and request for other options and recommendations. You may also consider taking your iPhone to an authorized service center nearby for hardware check and/or repair, if necessary.

Connect with us

We are always willing to help fix your problems with your Apple device. Browse through our existing troubleshooting posts or you may contact us directly by completing this form and hitting the Submit button. Make sure you provide all the necessary information about your phone and the problem so that it would be easier for us to help you.

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