Uncover the reasons behind your iPhone 12 Pro Max's sudden powerlessness. Discover a step-by-step troubleshooting guide to revive your unresponsive device.

Have you ever wondered “why is my iPhone 12 Pro Max not turning on?” It can be a frustrating experience when your expensive device suddenly goes dark and unresponsive. Don’t worry, you’re not alone. Many iPhone 12 Pro Max users have reported similar issues. In this article, we’ll shed some light on the potential causes and provide you with some strategies to help you troubleshoot and resolve the problem.

I’ve been writing about technology for several years now, and I’ve seen my fair share of iPhone issues. One of the most common problems I’ve encountered is the dreaded “black screen of death.” In my opinion, there are a few key reasons why your iPhone 12 Pro Max might not be turning on. First, it could be a hardware issue, such as a faulty battery or a damaged charging port. Second, it could be a software issue, such as a corrupted operating system or a buggy app. Finally, it could be a combination of both hardware and software issues.

Whatever the cause, there are a few things you can try to fix the problem. In the next section, we’ll go over some of the most common solutions, including force restarting your iPhone, checking the charging port for damage, and updating your iOS software. If none of these solutions work, you may need to take your iPhone to an Apple Store or authorized repair center for further diagnosis and repair.

Why is my iPhone 12 Pro Max Not Turning On?

Experiencing an unresponsive iPhone 12 Pro Max is a frustrating and inconvenient issue. Understanding the underlying causes and troubleshooting the problem effectively will help you resolve the issue efficiently. Here’s a comprehensive guide to assist you:

I. Check Hardware and Power Source

Inspect Charging Port: Carefully examine the charging port for any debris or damage. Debris accumulation or physical damage can obstruct the charging process, preventing the iPhone from powering on.
Try Different Cables and Power Adapters: Ensure that the charging cables and power adapters you’re using are in good working condition. Faulty cables or adapters can hinder the transfer of power to the iPhone, resulting in a non-responsive device.
Connect to Different Outlets: Try connecting the iPhone to multiple power outlets to eliminate the possibility of a faulty power source. A defective outlet can provide insufficient power to turn on the device.

II. Force Restart

Method 1: Press and release the Volume Up button, followed by pressing and releasing the Volume Down button. Finally, press and hold the Power button until the Apple logo appears. This forced restart method effectively resolves software glitches that may prevent the iPhone from turning on.
Method 2: Connect the iPhone to a computer with iTunes or Finder open. Locate the device in the software and initiate a forced restart using the appropriate software commands. This method is particularly useful if the iPhone is unresponsive to physical button inputs.

III. Check for Damage

Examine Display: Inspect the iPhone’s display for any visible cracks, scratches, or other signs of physical damage. Significant damage to the display can affect the internal components and interfere with the device’s ability to turn on.
Inspect Battery: If possible, remove the back cover of the iPhone and examine the battery for any swelling or damage. A swollen or damaged battery can pose a safety hazard and prevent the device from functioning properly.

IV. Restore iOS

Recovery Mode: Connect the iPhone to a computer with iTunes or Finder open. Follow the prompts to enter recovery mode and restore iOS. Recovery mode allows you to reinstall the operating system, potentially resolving software issues that may be preventing the device from turning on.
DFU Mode: DFU (Device Firmware Update) mode provides a deeper level of system restoration. Enter DFU mode by connecting the iPhone to a computer with iTunes or Finder open and following specific button combinations. DFU mode allows you to restore the iPhone’s firmware, effectively addressing complex software issues.

V. Contact Apple Support

Online Support: Visit Apple’s support website or contact their online support team. Apple’s knowledgeable support specialists can provide guidance and assist you with troubleshooting steps.
Phone Support: Call Apple’s technical support line for direct assistance. Phone support allows you to speak with a representative who can diagnose the issue and provide personalized troubleshooting advice.
Genius Bar: Schedule an appointment at an Apple Store for in-person troubleshooting and repairs. Genius Bar appointments provide access to Apple’s certified technicians who can diagnose and repair the iPhone efficiently.

VI. Other Potential Causes

Corrupted Firmware: A software issue, such as corrupted firmware, can prevent the iPhone from turning on properly. Updating the iOS software to the latest version may resolve firmware-related issues.
Faulty Motherboard: The motherboard, which serves as the central circuit board of the iPhone, can malfunction and cause the device to become unresponsive. Repairing or replacing the motherboard may be necessary in such cases.
Liquid Damage: Exposure to water or other liquids can damage the iPhone’s internal components, including the battery and motherboard. Liquid damage can prevent the device from turning on and may require professional repair.


If your iPhone 12 Pro Max is not turning on, addressing the potential causes outlined in this guide can help you resolve the issue. By following the troubleshooting steps, you can determine whether the problem is hardware-related, software-related, or requires professional assistance. Remember to approach the troubleshooting process carefully to avoid further damage to your device. If you have any doubts or encounter any difficulties, do not hesitate to contact Apple Support for expert advice. With the right approach and a bit of patience, you should be able to get your iPhone up and running again.

FAQs about why is my iPhone 12 Pro Max not turning on

1. Is the battery dead?

Plug your iPhone into a power outlet using the supplied Lightning cable and charger. Wait for about 30 minutes, then try to turn it on again.

2. Is the screen broken?

If the screen is cracked or damaged, it may prevent your iPhone from turning on. Try connecting it to a computer using a USB cable to see if it is recognized by iTunes. If it is, you may be able to restore it.

3. Is the power button stuck?

Try pressing the power button firmly for a few seconds. If it is stuck, it may need to be repaired.

4. Is the software corrupted?

If your iPhone has recently been updated or jailbroken, it is possible that the software has become corrupted. Try connecting it to a computer using a USB cable and restoring it using iTunes.

5. Is there a hardware problem?

If none of the above solutions work, it is possible that there is a hardware problem with your iPhone. You should take it to an Apple Store or authorized repair center for diagnosis and repair.

Leave a Reply

Your email address will not be published. Required fields are marked *