iPhone 15 Unavailable Lock Screen? 4 Ways To Fix It Easily

The iPhone 15’s new always-on display is a useful feature, but some users have reported issues with the lock screen becoming unresponsive or ‘unavailable.’ This can be frustrating, especially if you rely on notifications or quick access to your iPhone. Fortunately, there are a few things you can try to get your iPhone 15 lock screen working again.

In this article, I’ll provide 4 troubleshooting tips to help fix an unresponsive or ‘iPhone unavailable’ lock screen on your iPhone 15.

Whether your lock screen is completely blank/black, not showing notifications, or simply unresponsive, these steps may help get it functioning normally again. Read on for 4 ways to troubleshoot and resolve an iPhone unavailable lock screen.

Part 1: Why My iPhone 15 Says iPhone Unavailable Try Again in 15 Minutes?

The “iPhone Unavailable” message occurs when you’ve entered the wrong passcode too many times on your iPhone 15. This is an automatic security feature that gets triggered after several failed passcode attempts, and it temporarily disables access to your iPhone.

The main reasons you may see the “iPhone Unavailable, try again in 15 minutes” message are:

  • You’ve forgotten your passcode and entered the wrong one too many times. After 5-6 failed attempts, you’ll be locked out for increasing periods of time.
  • Someone else was trying to guess your passcode and repeatedly entered incorrect passcodes, which triggered the lockout.
  • The passcode keys may be unresponsive, entering incorrect digits even when you’re sure you’re entering the right passcode.
  • A glitch caused the passcode attempts to be misread, resulting in the lockout.

Part 2: How to Fix iPhone 15 Unavailable Lock Screen without Apple ID

If you’re locked out of your iPhone 15 and seeing the “iPhone Unavailable” message, here recommend using UltFone Toolkit – iOS Screen Unlock. This is a highly useful tool for bypassing the iPhone lock screen without needing the Apple ID or causing any data loss.

The main benefits of using UltFone Toolkit are:

  • No data loss – It can unlock your iPhone while keeping all data intact. Your photos, messages and other information will remain on the device.
  • No skills required – The tool is very easy to use, even for beginners. You don’t need any technical knowledge to operate it.
  • Unlocks in seconds – Simply connect your locked iPhone, click ‘Start’, and the app will bypass the lock screen within seconds.
  • Removes all lock types – It can unlock 4-digit/6-digit passcodes, Touch ID, Face ID, Screen Time passcode, etc. It can fix iPhone 15 pro/max/pro max unavailable.
  • Supports latest iOS devices – Fully compatible with the newest iPhone 15 line and iOS 17 software.

Here is how to fix iPhone unavailable for 15 minutes using UltFone Toolkit – iOS Screen Unlock:

Step 1: Download and install the UltFone Toolkit software on your Windows or Mac computer. Ensure you select the “iOS Screen Unlock” option during setup.

Step 2: Use a Lightning cable to connect your iPhone 15 to the computer. UltFone Toolkit will automatically detect the device. On the main toolkit interface, verify your iPhone model and click “Start” to begin the unlock process.

Step 3: UltFone Toolkit will download the required firmware package and bypass the lock screen. Do not disconnect your iPhone.

Step 4: Now click on “Start Remove” to initiate the process.

Within 1-3 minutes, the software will successfully unlock your iPhone by removing the unresponsive lock screen.

Part 3:  How to Fix iPhone 15 Unavailable Lock Screen by Restoring Your iPhone

You can also fix an unresponsive iPhone 15 lock screen by restoring your device using iTunes on Windows or Finder on Mac. This will completely wipe your iPhone and install the latest iOS version.

Here is how to fix iPhone unavailable 15 minutes stuck with iTunes/Finder:

  1. Connect your iPhone 15 to your computer using a Lightning cable.
  2. Open iTunes on a Windows PC or Finder on a Mac.
  3. Put your iPhone 15 into recovery mode – hold the Side button + Volume down until you see the recovery screen.
  4. In iTunes/Finder, click ‘Restore’ to wipe your iPhone and reinstall the latest iOS version.
  5. Set up your iPhone 15 as new after the restore completes.


  • Guaranteed to unlock your iPhone 15 by overriding the unavailable lock screen.
  • Install the latest iOS version on your device.


  • It may results in complete data loss – restoring erases all contents and settings.
  • Time-consuming – have to redownload apps and data to your iPhone 15 after restoring.

Part 4: How to Fix iPhone 15 Unavailable Lock Screen with iCloud Find My iPhone?

You can also use iCloud Find My iPhone to remotely erase your iPhone 15 and override the unavailable lock screen without needing a computer. Here is how to fix iPhone keeps saying unavailable 15 minutes:

Step 1: Ensure Find My iPhone was enabled on your iPhone 15 before it became unresponsive.

Step 2: Go to iCloud.com and sign in using your Apple ID credentials.

Step 3: Click on Find My iPhone and select your iPhone 15.

Step 4: Choose to Erase iPhone – this will remotely wipe your device.

Step 5: Enter your Apple ID password to confirm the erase.


  • Can unlock your iPhone without a computer, just an internet browser.
  • Bypasses the unavailable lock screen by wiping your device remotely.


  • Requires Find My iPhone to already be turned on.
  • Erases all contents and settings, resulting in data loss.
  • Your iPhone must have an internet connection to connect to iCloud.
  • Need to know your Apple ID and password to sign in and erase.

Bonus Tips: How to Avoid iPhone Unavailable Screen?

Here are some bonus tips to avoid the iPhone Unavailable screen:

  • Don’t forget your passcode – Set a passcode you can easily remember or write it down somewhere safe. Using a complex and forgotten passcode is the #1 trigger for the unavailable screen.
  • Pay attention when typing your passcode – Entering the wrong passcode repeatedly can easily trigger the lockout. Double check each digit before submitting your passcode.
  • Use Touch ID/Face ID – Enabling biometric unlock makes it much harder to accidentally trigger the unavailable screen since fingerprints/facial data can’t be entered wrong.

FAQs about iPhone 15 Unavailable Lock Screen

1. How do you unlock an iPhone that is unavailable?

Wait out the lockout period, then correctly enter your passcode. Alternatively, you can use a third party unlocking tool like UltFone Toolkit to bypass the lock screen without waiting or data loss.

2. What to do when iPhone is Security Lockout?

The security lockout is temporary and designed to protect your data. You just need to wait out the lockout duration displayed on screen before you can access your iPhone again.

Bottom Line

The iPhone 15 unavailable screen can be frustrating but is ultimately a useful security feature to protect your sensitive data. If you get locked out, stay patient and use the troubleshooting tips in this guide to regain access.

The easiest way to avoid the unavailable screen is to remember your passcode and carefully type it in. With the proper precautions, you can avoid lockouts while still securing your iPhone 15.

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