It has been a while since Apple's latest iOS has come out. iOS 16 brings several new features, including improvements for Focus Mode. more continuity capabilites, and tweaks to Messages. After updating iOS, however, some users get upset while using the whole new system. Some have trouble getting used to the changes in certain apps, while others find that iOS 16 can't functions as smoothly as expected on their iPhones. On account of different reasons, many users may want to go back to the previous version. How to downgrad iOS 16 to 15? Here you'll find the answer. Check this article carefully.

- Part 1. What Should You Do Before Downgrading iOS?
- Part 2. How to Downgrade iOS 16 to 15 in 3 Ways
- Part 3. Troubleshooting: iOS Version Downgrade
- Part 4. FAQs about Downgrading from iOS 16
- Part 5. Summary
Part 1. What Should You Do Before Downgrading iOS?
When it comes to downgrading iOS, there are mainly three ways that can help. Users should be aware that the attemp to downgrade an operating system will remove all the data on an iPhone. To keep those important data, it is vital to back up your iPhone before we go on further. Below are the cluses.
Method 1. Back up iPhone via iTunes
Here's how to use iTunes to back up your iPhone on a computer. If you have a computer, just follow the below steps to make a backup of iPhone.

Step 1. Connect your iPhone to a computer via a USB cable, then open iTunes on a PC or the Finder on a Mac.
Step 2. If asked for your device passcode or to Trust This Computer, follow the onscreen steps.
Step 3. Then select your device in iTunes. If your device doesn't appear on the computer, reconnect it again.
Step 4. Click Summary, then click Back Up now. When the backup process ends, check if the backup finished successfully.
Method 1. Back up iPhone via iCloud
When you don't have a computer, you can make a backup of your iPhone by turning on iCloud. Here's how to.

Step 1. Connect your iPhone to a good WiFi network.
Step 2. Go to Settings, tap your Apple ID name, then select iCloud.
Step 3. Tap iCloud Backup to begin. Maintain a connection to your WiFi network until the backup ends.
Part 2. 3 Methods to Downgrade iOS 16 to 15
Now you've been prepared for the downgrading by backing up your iPhone. Basically, there are three different ways to downgrade an iOS version from iOS 16 to 15. You can choose to use iTunes or a third-party software like MagFone iOS System Recovery to assist you. Now will discuss how to respecitvely.
Method 1. Downgrade from iOS 16 to 15 via iTunes
The first way is to downgrade iOS 26 to 15 through iTunes. Apple allows users to downgrade the iOS version for up to 2 weeks after the release of the latest version. Here you can use iTunes to download the previous firmware package, then your device will be returned to the previous version.
Step 1. Download the firmware package from a third-party website called ipsw me to your computer.
Step 2. On the website, you can go to the iPhone section, then select your iPhone model.

Step 3. Select the latest IPSW file and and click the Download button to save the firmware package to your computer.

Step 4. Then connect your iPhone to the computer and make a backup of your device.
Step 5. Run iTunes and hold the Shift key on the keyboard, then click Restore iPhone.
Step 6. On the pop-up window, select the firmware package you have downloaded and click Open.
Strp 7. Proceed to click Restore. Wait patiently until the whole process is completed.
Method 2. Downgrade from iOS 16 to 15 via MagFone software
No need for complex steps and tough methods, MagFone iOS System Recovery can help users to downgrade from iOS 16 to 15 effortlessly. It can provide you with the easiest way to downgrad from iOS 16 to 15 no matter what type your device is, be it iPhone, iPad, or iPod touch.
Besides downgrading iOS, MagFone iOS System Recovery can solve various iOS system problems and help user to reset device in two modes. Also, you can use this tool to get your iPhone into recovery mode with one click. For any issue related to the iOS system, MagFone software can respond at a quick speed and have satisfying outcomes. Below is the specific for downgrading.

Key Features of MagFone iOS System Recovery
* Security Verified. 5,481,347 people have downloaded it.
- Fix various ios issues like screen stuck, mode stuch, and more
- Support updagrading and downgrading iOS without iTunes/Finder
- Offer two modes for resetting iPhone, iPad, and iPod touch
- Assist the entering and exiting of recovery mode for free
Step 1 Connect iPhone to Computer

Since you have backd up your iPhone with the previous steps, now run MagFone iOS System Recovery on your computer, then connect your iPhone with a USB cable. On the interface of the software, select Upgrade/Downgrade iOS.
Step 2 Download the Firmware Package

Select Downgrade iOS, then MagFone sofrware will represent the device information on the screen after detecting your device. Check it out and click the Download button to download the downgradable iOS firmware pacakge.
Step 3 Start to Downgrade iOS

Click the Start Downgrade button and let the program finish the downgrading process. Remember to keep your device connected to the computer. When you see "Firmware has been downloaded successfully", it means that your device has been downgraded.
Method 3. Downgrade iOS from 16 to 15 via TinyUmbrella
Apart from MagFone iOS System Recovery, there is another software worth a try. That is TinyUmbrella. Many folks may be curious about what TinyUmbrella is. In fact, it is one of the most famous iOS downgrade tools for Windows users. Compared with MagFone iOS System Recovery, the operation is rather difficult. Users may have trouble following the below steps.

Step 1. Download TinyUmbrella, then connect your iPhone to your computer with a USB cable.
Step 2. Locate your device and click Save SHSH to store SHSH blobs.
Step 3. Click Start TSS Server and wait until Error 1015 pops up.
Step 4. Exit recovery mode and click Advanced.
Step 5. Cancel the tick next to the "Set Hosts to Cydia on Exit" box.
Step 6. Click Save SHSH and start the iOS downgrade.
Part 3. Troubleshooting: iOS Version Downgrade
While users are following the guidance above to downgrade iOS 16 to 15, there still occur problems, such as failed to downgrade iOS many times, iPhone stuck in black screen/Apple Logo/Recovery Mode, and downgrading from iOS 16 to 15 with iTunes not working. Users are eager to solve all these during a downgrading attempt. To settle these matters, check this part and you will know how to do it.
Problem 1. Failed to downgrade iOS many times
Solution 1. Check if the firmware package is still signed by Apple. If the downloaded iOS version is not supported by Apple, then you may have to face unwanted issues.
Solution 2. Examine whether your iPhone has disconnected from the internet. The process can be interrupted by Internet failure. Connect to the Internet and try to downgrade in steps.
Problem 2. iPhone stuck in black screen/Apple Logo/Recovery Mode
When your device gets stuck during the downgrading, force restart the device. Below are the instructions for various devices.
For iPhone 8 and later: Quick-press the volume up button and release. Then do the same to the volume down button. And press the side button till the phone restarts.
For iPhone 7: Press the power button and volume down button at the same time. Release when Apple Logo appears.
For iPhone 6s and earlier: Hold the home button and power button at the same time. Release when Apple Logo appears.
Problem 3. Downgrading from iOS 16 to 15 with iTunes not working
Solution 1. You can check whether the firmware package is correct. Please ensure that you download the package from a trusted source.
Solution 2. Confirm that you have turned off the Find My feature on your device.
Solution 3. Check whether you have updated iTunes to the latest version.
Solution 4. The quickest way to downgrade iOS 16 to 15 is by using MagFone iOS System Recovery. Without the need for iTunes, it can downgrade your device in simple steps. Go to the former content to find out more.
Part 4. FAQs about Downgrading from iOS 16
Concerning downgrading from iOS 16 to 15, many people may have questions while preparing to do so. Below, we have collected the most frequent questions asked by users. Also, we have offered some of our ideas. Hope they can help. If you like it, don't forget to leave a comment and let us know.
Q1. Can I downgrade iOS without a computer?
A: In fact, it is nearly impossible to downgrade an iOS system without a computer. When we are going to figure out how to downgrade from iOS 16, we need the help of desktop applications. Without a computer, it is hard to achieve the goal.
Q2. Will downgrading iOS clear out all data?
A: Yes. The attempt to downgrade iOS will remove all the data on the device. So if users want to keep the data, please don't forget to back up before the downgrading.
Q3: How to downgrade iOS with unsigned IPSW?
A: An unsigned IPSW is a type of Apple device software update file that doesn't receive a permit from Apple authority. If an IPSW file is unsigned, then it will not be recognized by the server, and the downgrading process will be hard to complete. You can use SHSH Blobs to downgrade iOS with unsigned IPSW. Follow the steps below.
Step 1. Gather the unsigned iOS firmware, the SHSH Blobs file, and the FutureRestore(a restore tool) file into a single folder on the PC.
Step 2. Launch Command Line on the Terminal on Windows.
Step 3. Put the unzipped FutureRestore file into the Command Line or the Terminal. Type t.
Step 4. Repeat Step 3 with the blob file without typing -t. Instead, type "latest-sep --latest-baseband" if your device has a SIM card. If it doesn't, type "--latest-no-baseband".
Step 5. Put the unsigned iOS firmware into the Terminal.
Step 6. Make sure that you've done Steps 3 to 5 and then press the Enter key to begin the downgrade process. Wait for the process to complete.
Q4. How to restore the data after the downgrading?
A: Since you have backed up your data before downgrading, you can choose to restore from iCloud or iTunes until the downgrading is completed.
Restore from iCloud: When setting up your device, follow the onscreen steps until you see the Apps & Data screen. Then tap Restore from iCloud Backup and sign in with your Apple ID. After choosing a backup, the transfer starts.
Restore drom iTunes: Connect your iPhone to a computer and launch iTunes. Then click Restore Backup and choose to restore according to the closest date. Click Restore and wait patiently. When asked, enter the password for your encrypted backup.
Part 5. Summary
For users who want to downgrade iOS version, we hope that the previous content can be of help to you. It is worth mentioning that the MagFone iOS System Recovery can assist you to downgrade your device with several simple steps. Being the quickest way to solve how to downgrade iOS version, MagFone iOS System Recovery is there for you to have a try.