iPhone 12 Won't Turn On? 5 Solutions Here!

Posted by Brian Davis on Sep 7, 2022 8:00 AM
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I found an old iPhone 12 Pro Max at home, which hasn't been used for a very long time since I changed to a new iPhone 13. When I was trying to turn it on, I failed. This iPhone 12 makes no response no matter how I try pressing the Side button. Does anyone know how to overcome the iPhone 12 Pro Max won't turn on problem?

how to fix iphone 12 won't turn on

Though iPhone always makes things perfect, there are still some annoying problems while users using iPhone. According to iPhone 12 users, many of them encountered the iPhone 12 won't turn on problem. It is not a frequently-happened issue, but it is really annoying when we face the iPhone 12 black screen as we cannot turn it on. Fortunately, we still have useful solutions to fix it. If you are encountering the same problem, this post will help you.

Part 1. Why won't my iPhone 12 turn on?
Part 2. Recommended solutions to fix iPhone 12 won't turn on
    Solution 1. Charge your iPhone 12
    Solution 2. Clean the charging port
    Solution 3. Force restart your iPhone 12
    Solution 4. Fix iPhone 12 won't turn on without data loss hot tip
    Solution 5. Contact Apple Support
Part 3. Sum up

Part 1. Why won't my iPhone 12 turn on?

Battery problem - When your iPhone 12 can't turn on, the first thing you need to do is to check if the battery is working well. Ensure that your iPhone battery can charge properly and has no damage.
Software glitch - If there is something wrong with your iPhone 12 iOS system, you will face the issues like iPhone 12 battery not working. In case of this, you may need to use a professional iOS fixing tool to fix your iPhone 12.
Hardware damage - A small hardware problem will make your iPhone dead from turning on. If your iPhone 12 won't turn on after being dropped or water damaged, you would better to send it to an Apple Store.

Part 2. Recommended solutions to fix iPhone 12 won't turn on

Solution 1. Charge your iPhone 12 to fix iPhone 12 won't turn on

Ensure that your iPhone 12 has enough power to turn it on. You can long press the Side button and see whether a charging icon appears. If the charging icon appears, it means that your iPhone 12 has run out of battery and needs to charge until it has enough power to turn on. If your iPhone 12 not turning on even keeps charging for a long time, you may need a further repair and read on the following content.

charge your iphone


Solution 2. Clean the charging port

If the charging port of your iPhone 12 is jammed or blocked up with dust, charging your iPhone 12 will be a tough job so you cannot turn on your iPhone 12 successfully, and you will meet the iPhone 12 Pro Max won't turn on issue frequently. You can use a soft and clean brush to clean your iPhone 12 charging port.

clean the charging port


Solution 3. Force restart to fix iPhone 12 not turning on

Applying a hard restart to your iPhone 12 can be a feasible solution to fix the iPhone 12 won't turn on issue quickly and efficiently. Force restarting your iPhone can also fix many other common iOS problems. You can easily restart your iPhone 12 by following the below steps.

Step 1. Press the Volume Up button and release it quickly.
Step 2. Press the Volume Down button and release it quickly.
Step 3. Keep holding the Power button until your iPhone 12 turns on.

force restart to fix iphone 12 won't turn on


Solution 4. Fix iPhone 12 Pro Max won't turn on with professional tools

TunesKit iOS System Recovery is a professional iOS fixing program that helps fix more than 150 common iOS issues like iPhone 12 Pro won't turn on, iPhone won't turn off, iPhone stuck on Apple logo, iPhone reboot loop, etc. It is now fully compatible with most iOS versions including the latest iOS 16. Besides, it has a concise user interface that helps users to fix their iPhone, iPad, or iPod touch with several simple clicks. No matter what issues you are now encountering, TunesKit iOS System Recovery can always be the best assistance to you.

ios system recovery

Key Features of TunesKit iOS System Recovery:

  • Fix iPhone 12/Pro/Pro Max won't turn on without data loss
  • Supports other devices including iPhone, iPad and iPod
  • Compatible with all iOS versions including the iOS 16
  • One-click to enter or exit Recovery mode
  • Supports downgrading iOS 16 to iOS 15

Let's see how to fix iPhone 12 not turning on by using TunesKit iOS System Recovery.

Step 1Connect iPhone 12 to computer

Download and launch TunesKit iOS System Recovery on your computer. Then, connect your iPhone to the computer. When your iPhone is connected, click on the Enter Recovery Mode button to put your iPhone into Recovery mode. Then, click on the Start button for the next step.

connect iphone 12

Step 2Select a mode to fix iPhone 12 won't turn on

TunesKit iOS System offers two different iOS fixing modes, Standard Mode and Advanced Mode. Click on the Standard Mode option to fix your iPhone 12, which will not cause any data loss from your iPhone. If you are trying to use Advanced Mode, don't forget to back up your iPhone before fixing it since it will erase all the data and content.

select standard mode to fix iphone 12 won' turn on

Step 3Download firmware package

Before downloading the firmware package to fix the iPhone 12 Mini won't turn on issue, please ensure that the on-screen information is nothing wrong. Then, click on the Download button to start downloading.

download correct firmware package

Step 4Fix iPhone 12 Pro Max won't turn on

TunesKit iOS System Recovery will start to fix the iPhone 12 won't turn on issue as soon as the firmware package is downloaded. All you need to do is wait and use your iPhone 12 like a brand new one without any glitch.

fix iphone 12 not turning on


Solution 5. Contact Apple Support to fix iPhone 12 not turning on

You should contact Apple Support for a professional repair if the above methods failed to fix the iPhone 12 won't turn on issue. You can send your iPhone to the Genius Bar, and the Apple technician will help you check your iPhone 12 and fix the hardware issue. If your iPhone 12 is still under warranty, the repair will be totally free.

contact apple support


Part 3. Sum up

Hope that you will not encounter issues like "My iPhone 12 won't turn on" after reading this post. By using TunesKit iOS System Recovery, things will get much easier. If you have other iOS questions, please feel free to leave us a comment below, and we will be glad to help you.

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