6 ways to solve the problem of iPhone 12 not turning on

What should I do if my iPhone 12 cannot be turned on? In fact, whether the iPhone 12 cannot turn on or the screen does not light up, there are many reasons and corresponding solutions. Most of the time, this issue can be caused by a software crash or a dead iPhone battery. In the guide below, we will analyze why my iPhone 12 won’t turn on and how to fix iPhone 12 won’t turn on

• Part One: Why My iPhone 12 Won’t Turn On
• Part One Part Two: 6 Ways to Fix iPhone 12 Not Turning On
• Method 1: Charge Your iPhone 12
• Method 2: Perform a Force Restart on iPhone 12
• Method 3: Factory reset via iTunes (data loss)
• Method 4: One-click fix for iPhone 12 not turning on via recovery mode
• Method 5: Quickly fix iPhone 12 not able to turn on due to system error
• Method 6: Contact Apple Support
• Part Three: How to Prevent iPhone Power Issues

Part One: Why My iPhone 12 Won’t Turn On After Shut Down

The reason why iPhone 12 cannot be turned on, has a black screen, or cannot be turned on after shutting down may be due to the following factors:

Battery exhaustion problem. When iPhone 12 won't turn on, the most common reason is battery issues. If the battery is completely drained, the phone will not work. So, you need to check if the battery is charging properly and make sure there is no damage.

Software crashed. Another common cause is software bugs, firmware crashes, and software issues. You may need a professional tool to solve this type of problem. Sometimes, completely resetting your iPhone can also resolve software crash issues.

Hardware damage. If your iPhone 12 is dropped or damaged by water, it won't turn on. Hardware damage usually requires help from an Apple Store or an authorized hardware professional.

Part Two: 6 Ways to Fix iPhone 12 Not Turning On

If iPhone 12 Pro Max/Mini/Pro won’t turn on, or iPhone 12 won’t charge or won’t turn on, you can try these method.

Method 1: Charge your iPhone 12

When your iPhone 12 won’t turn on, the easiest solution is to check the battery and charge it. Keep pressing the side button until the charging icon appears. If the icon shows up, it means the battery is drained and that's why it won't turn on. If your iPhone 12 still won't turn on after a long period of charging, there's obviously something else wrong. So, go ahead and try the next solution.

Method 2: Perform a force restart on iPhone 12

If there are some minor software failures, the problem of the iPhone not turning on can be solved by force restarting the phone. This is a quick fix while also keeping your data intact. Here's how to do this process.

1. Press and hold the volume up key and release it quickly.
2. Press and hold the volume down key, then release.
3. Press and hold the side button of your iPhone until the Apple logo appears on the screen.
4. After the Apple logo appears, release the side button.

Method 3: Factory Reset via iTunes (Data Loss)

If your iPhone 12 won’t turn on, the problem may be caused by a recent update or app installation. In this case, factory reset is a good option to solve the problem. However, it should be noted that this method will clear all data and settings in the phone, so please back up important information in advance

Connect your iPhone to the computer, you can follow the steps below: Step 1 : Use the data cable to plug the iPhone into the computer

Step 2: Open iTunes on the computer

Step 3: In the iTunes app, click the device button in the upper left corner and select your iPhone. Find "Summary" and click "Restore iPhone"

If the problem is still not solved, you can try to turn on your iPhone to see if there is an improvement. If none of the above methods work, then the final solution is to use a reliable third-party professional repair tool

Method 4: Fix iPhone 12 won’t turn on with one click through recovery mode

What should I do if my iPhone 12 won’t turn on, even if I perform a force reset? Then you should try to put it into recovery mode. Apple phone repair tool is your best choice. This is useful when your phone's power button doesn't work or you encounter other problems entering recovery mode. Easily enter or exit recovery mode with just one click to fix iPhone 12 not turning on screen issue or any other iOS system issue

Here is a quick tutorial to fix iPhone 12 not turning on by using Apple phone repair tool To complete

Download and open the iPhone repair tool on your computer. After installing the software, connect your iPhone 12 to your computer. Once the app recognizes your iPhone, click "Enter" to put the phone into recovery mode.

Please wait 30 seconds for your iPhone to enter recovery mode

A prompt to successfully enter recovery mode will appear on the screen

Then you will see the "Connect to iTunes or Computer" sign on your iPhone screen, and you have entered recovery mode at this point.

Now, we have entered recovery mode. You can use Apple's mobile phone repair tool to exit recovery mode and check whether the problem of your iPhone 12 not being able to turn on has been resolved.

Method 5: Quickly fix iPhone 12 not turning on due to system error

If your iPhone still has not recovered, or is stuck in recovery mode, then some system errors may have occurred. In this case, you have to fix the iOS problem, but it is not easy.

This is a repair function that we can also use the Apple phone repair tool to fix, which can solve more than 200 iOS, iPadOS and macOS problems.

Method 6: Contact Apple Support

If none of the above methods work, it may be a hardware problem or physical damage that prevents the iPhone 12 from turning on. Then the last option is to contact Apple Support for repair. If your iPhone 12 is still under warranty, the repair will be free.

Part Three: How to Prevent iPhone Power Issues

Apple improves iPhone battery life with every new release, but some people may still find that their phone’s battery life is not good long. The way you use your phone and its configuration settings can also affect battery life. So, let’s review how to extend your iPhone’s battery life and prevent power issues

First, you need to check your battery health in Settings. Open Settings and select Battery Options. In the Battery Health section, you can check how your iPhone battery is performing. If the battery's peak performance is below par, you may consider replacing the battery

Check which apps are draining the most battery power. You can find it in Settings > Battery and see which apps are using the most battery in the app list. Disabling them will increase your battery life.

Additionally, apps that require updates may drain your battery quickly. Please open the App Store app and click the account icon in the upper right corner. If any apps need to be updated, please click the "Update All" link to update

Increasing the brightness will also increase battery consumption. You can pull down Control Center from the upper right corner of the screen and adjust the brightness slider to suit your needs. At the same time, it is also a good idea to turn off the function of automatically adjusting screen brightness. You can turn it off by going to Settings > Display & Brightness

We have listed possible causes and various solutions to resolve this issue. The problem may be as simple as battery exhaustion or as complex as an iOS system problem. If the iPhone cannot be turned on, you can try the above methods to solve it.

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