How to Downgrade from iOS 16 to iOS 15 Easily Without Losing Your Important Data

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Ngày cập nhật gần nhất: 15/4/2026

Content

Conclusion

Unable to downgrade, there will be a message

Red color NOT Signed.

Click on the update you want to downgrade to download the file with the extension

.ipsw.

Step 2:

Download the software

Launch iTunes

and connect your iPhone to the computer via a cable.

Once the connection is established, select

This Computer > Back Up Now

to back up your iPhone data.

Step 3:

On your iPhone, go to the

Settings > Search

section. Enter inside to disable the feature

Find My iPhone

, please!

Step 4:

Then inside the iTunes software,

hold down Shift

on the keyboard and select Restore iPhone.

Next, choose the file with the extension

.ipsw

that you just downloaded in step 1.

Step 5:

Click on

Restore

to initiate the downgrade process on your iPhone!

Step 6:

Perform a query using the address

AppData > Roaming > Apple Computer > MobileSync > Backup >

Select the backup you just performed at step 2.

Step 7:

Open the

Info

section with

Open Notepad

and locate the Product Name section, below which there's information about the update, you

change it from 16 to 15.6.1

and you're good to go. Then,

save the Notepad file

and exit out.

Step 8:

Once the downgrade process is successful, click on the option

Restore from this backup > Continue

and you're done. Your data will be restored without any loss.

Conclusion

Above is the article sharing about how to downgrade from iOS 16 to iOS 15 for those who intend to downgrade iOS extremely simple and easy to do. Hopefully, this article will help you downgrade iOS quickly and successfully.

Explore more: iOS Tricks

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