[iOS 16] How to iPhone Storage Full and Won't Turn On Directly


Nov 09, 2021 (Updated: Feb 06, 2023) • Filed to: Fix iPhone

5K views, 5 min read


questionUsers Ask

What can I do when iPhone full storage won't turn on? There is not much information on what to do once my phone has no more space and will not start up. It's so annoying. Does anyone can do me a favor?

Do you have a problem like the above user? Well, fear not! You have come to the right place! Today I'll show some nifty tricks you can do when your iPhone storage full won't turn on.

Full storage can affect iPhone in many ways, for example, it is forced to shut down, act abnormally, won't turn on, etc. So, to fix these issues, you have to clear storage first. We have shown how to fix iPhone memory full won't turn on specifically below.

iPhone storage full won't turn on

Part 1. How to Check iPhone Storage Capacity?

iPhone device with low capacity (like 56 G) or those iPhone device that have been used for a long time. Thus, it's necessary for us to know how to check iPhone storage capacity no matter if you are meeting iPhone storage full won't turn on issue.

  • Just go to your iPhone's Setting. Click General > iPhone Storage. Then you can check your iPhone storage capacity and if the storage is full.

If your iPhone storage is full or almost full, then you need to take measures to clear the iPhone storage to make sure your iPhone device run well.

Part 2. What Happens When iPhone Storage Is Completely Full?

Although iPhone storage is not easy to run out, we still should keep it in mind to clear our iPhone cache from time to time, in order to all the applications and systems can work well all the time.

However, if your iPhone storage is completely full, there will be something unsatisfying happens:

  • Your iPhone system may get stucks, and you can use the whole functions as normal.

  • Moreover, some of your Applications, especially like game apps can work smoothly, which is pretty annoying.

  • What's worse, you may not get your iPhone turn on, which is the biggest problems.

All this situations is that we are unexpected to face with. Take it easy, however, there are still several practical solutions to solve these error, which will be introduced in detail below.

Part 3. What Do You Do When Your iPhone Storage Is Full and Won't Turn On?

We will talk about primarily three ways to fix this iPhone out of storage won't turn on. These are quite simple and easy to follow. So, follow them closely. Are you ready? Let's go!

1 Pre-requisite: Clean iPhone Storage on Computer

Use a type-C cable to connect your iPhone to your PC. You can use anyone's PC which was trusted before for this process. Turn off your iTunes, enter your iPhone through the PC and access the DCIM folder. Delete all the unnecessary photos, videos, and files. Your phone might restart during this process, but don't stop deleting.

After you free up good amounts of storage, your iPhone should boot up and work normally. After booting up, we would advise you to further check your storage by going through the storage menu.

Look for files that are unnecessarily large and back them up to iCloud. Delete some more if needed. iOS requires at least 2 GB of free storage to work smoothly and efficiently. So, always ensure that.

2 Fix iPhone with Full Storage Won't Turn On Through WooTechy iPhixer

If your iPhone storage full wont turn on after you clean the iPhone storage on the computer, then go and get WooTechy iPhixer on your computer, which is a troubleshooting application that can easily fix issues like freezing, slow performance, and storage problems on your iPhone.

It can fix all types of iPhone won't turn on problems, including the "iPhone 7/8/X/11/12/13/14 memory full won't turn on" issue. The iPhixer comes with four different modes. The Standard, Advanced, Reset iDevices, and Enter/Exit Recovery Mode. The Standard Mode helps you fix issues without losing any data.

Fix iPhone Keeps Restarting with WooTechy iPhixer

Wootechy iPhixer

75,000,000+ Downloads

Key Features of iPhixer:

  • It fixes all iOS/iPadOS/tvOS issues such as won't turn on out of full memory, iPhone flashing Apple logo, iPad boot loop, black/white screen of death, iPhone Gray Screen, and boot loop without any data loss.

  • It supports all iOS versions including the latest iOS 16 and all iPhone models, enjoying iPhone 4 to iPhone 14.

  • It is available on both Windows and Mac computers, and unlike iTunes, it causes no other errors.

  • It has the highest success rate and has a user-friendly interface as well as super easy-to-follow steps.

  • Enter/exit recovery mode for 100% free with one click and able to reset your device with different modes.

Download NowDownload Now

To fix the "iPhone storage full won't turn on" issue, you will use the Standard Mode. Just follow these simple steps using the iPhixer application.

Step 1: Open the application and select the Standard Mode. Make sure you have your iPhone that is memory full and won't turn on connected and ready.

choose repair mode

Step 2: Then iPhixer will ask you to put the phone into Recovery mode to fix it. Follow the instructions on the screen. For example, it will tell you to press certain buttons to make your phone go into Recovery mode.

put iPhone into recovery mode

Step 3: Next the app will ask you to download the latest firmware version. Just click Download and it will set up and install the latest version on your iPhone.

download firmware

Step 4: After finishing the installation of the firmware, just tap the Start icon on the screen. Then just let the app do its job. After a while, your iPhone should automatically turn on normally.

repair iPhone


Remember to clean your iPhone storage on your computer first, then use the above steps to fix your iPhone won't turn on. Since some storage should be left for the software to resolve your problem.

Download NowDownload Now

3 Use iTunes to Restore iPhone That's Full Storage and Won't Turn On

Or you can use iTunes to fully restore your iPhone device when your iPhone storage too full won't turn on because of full storage. However, you should also first clean your iPhone storage on the computer. Then do as follows.

  • Make sure iTunes is updated to the latest version on your PC.

  • Then connect your iPhone to your computer and enter Recovery mode.

    • To boot up recovery mode on iPhones 8 and above, hold and let go of the "Volume Up" button. Then do the same thing for the "Volume Down" button. Then gently hold the "Side" button. You will see the "Connect to iTunes" icon on the screen. Voila! You're in.

    • To boot up recovery mode on iPhone 7/7 Plus, press the "Side" and "Volume Down" button until when you see the "Connect to iTunes" screen.

    • To boot up recovery mode on iPhone 6 and older, hold the "Home" and "Top" button until the "Connect to iTunes" screen appears.

    iPhone in recovery mode

  • Click the Restore option.

  • restore iPhone with iTunes

Note that this will erase all data from your iPhone device. But there are different tools that you can use to partially or fully get back all your important data. Provided that you backed up all of them beforehand on iCloud.


So, in short, the easiest way to fix the iPhone storage full won't turn on problem is to delete some files directly from your PC. If that doesn't work, then you have troubleshooting apps like WooTechy iPhixer to get the job done for you without data loss.

As a last resort, you can just factory reset your phone using iTunes. Hopefully, after reading this article, whenever your iPhone storage is full and won't turn on, you will know what to do. Stay safe and goodbye.

Download NowDownload Now

Generally rated 4.4 (122 participated)

1 Comment(s)

Join the discussion!

  • Ozy

    Hi is this is the same directions for a iPad or just mobiles?

    9 months ago


    • WooTechy Reply to Ozy

      Yes, the directions are same for iPhone and iPad.

      8 months ago


    • View More Comments
  • View More Comments

Rated successfully!


You have already rated this article, please do not repeat scoring!