Last Updated on Sep 29, 2021
Like any other smartphone, the iPhone also faces battery and hardware issues, and later iPhone won’t turn on after the update. God knows what’s the reason behind this unusual behavior. However, before reaching out to Apple technicians, why not try to fix iPhone 12 Pro Max won’t turn on or charge after iOS 15 updates. If you fail to do so, then you have only one option left to contact Apple Support and get the iPhone fixed.
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Cell phones are the device that gets stuck in various problems that are related to software or also with hardware. Among most of the issues, the common complication that people are facing is the device doesn’t turn on or it gets freeze. Even costly smartphones like Apple are also in trouble like this. Because once iPhone 12 Pro Max is dropped or water damaged then it won’t turn on unless some professional guy looks into that. But, I would highly recommend you to prefer this tutorial and learn how to fix iPhone 12 Pro Max won’t turn on iOS 15.
Fix iPhone 12 Pro Max Won’t Turn On Or Charge
Why iPhone 12 Pro Max Won’t Turn On?
- Software Glitch
- Incompatible Charger
- iPhone Battery Drained Completely and Won’t Charge
- Hardware Damage
- Buggy Third-Party App
Fix 1: Force Restart iPhone
Firstly we have to determine that the real issue is with the software or hardware. if iPhone 12 Pro Max won’t charge after an iOS update or the screen is turning off again and again, then the software is crashing. So it can be solved by Hard Resetting the device. This will verify whether the iPhone 12 Pro Max is stuck on Black Screen or not. If iPhone 12 Pro Max is stuck on a black screen, then it is likely to turn on.
- Step #1: Press and release the Volume up key.
- Step #2: Press and release the Volume down key.
- Step #3: Press and hold the Power key until the Apple logo appears on the screen.
Still, if it isn’t responding then there may be a problem with the hardware. So we will connect the device to the computer through a lightning cable and then launch iTunes.
Fix 2: Check Lightning Cable/Power Adapter
Sometimes a defective cable can be a barrier for your device and iPhone charging speed will decrease. It is advisable to check your lightning cable and use the original cable provided by Apple. Or you can clean the charging port with a soft stick, it may work.
Fix 3: Try Alternate Charger/Wireless Charger
We are using different sources to charge our device like a charger, computer, laptop, car charger, and more. When such resources do not provide sufficient power and start to fluctuate then the iPhone will not take charge, and your device remains discharge.
If the charging port is damaged, and can’t charge the iPhone, then charge the iPhone on Wireless Charger.
Fix 4: Backup your device [Using iCloud or iTunes]
When you are fixing the device, then it is advisable to take a backup. Otherwise, you may lose all your data stored on the iPhone. There are two ways of taking backup and move to the next step to put the iPhone in DFU mode.
NOTE: Make sure the iPhone is connected to a strong Wi-Fi network to take iCloud backup.
Step 1: Go to “Settings”.
Step 2: Click on “iCloud” and then tap on “Backup”.
Step 3: Toggle on the iCloud Backup.
Step 4: Hit the “Back Up Now”.
After this, you will see how much time is remaining for the completion of the backup.
Step 1: Connect iPhone to a computer using a lightning cable.
Step 2: Launch “iTunes” on the computer.
Step 3: Select your iPhone.
Step 4: Tap on the symbol near to the iCloud to choose what you want to store backup to iCloud or on this computer.
Step 5: Click on “Back Up Now,” and thereafter the process will begin.
Fix 5: Put iPhone in DFU Mode
DFU mode will deeply restore your iPhone, and this mode is specially made for unresponsive iPhones. You have to connect the device to a computer to perform this activity and using iTunes you can achieve your goal. Don’t get confused as the process to put iPhone 12 Pro Max in DFU mode is the same as iPhone 11 series, iPhone 13 series, XS Max/XS/XR. Feel free to use the steps shown in the following video.
Fix 6: Contact Apple Support
If all the above tips don’t work then the only option left for you is to contact Apple support. They can only help you and repair your iPhone won’t turn on or won’t charge, suddenly.
Here’s how to troubleshoot Fix Phone Won’t Turn on