iPhone 12 Pro iPhone13,3

IPSW Unsigned 20F66

iOS 16.5

iOS

Version

16.5

Build ID

20F66

File Size

6.37 GB

Release Date

2023-05-18

Last Updated

2023-05-13

Download IPSW

Beta firmware? Download Here →

Want full hardware specs? View iPhone 12 Pro specs →

About This Firmware

iOS 16.5 (build 20F66) is an official Apple IPSW for the iPhone 12 Pro, released on 2023-05-18. The file is served directly from Apple's CDN. This firmware is no longer signed by Apple. Standard downgrades are not possible, but the file remains available for reference and advanced use.

Verify the download using the SHA-256 or SHA-1 checksum listed in the Checksums section below.

Filename

iPhone13,2,iPhone13,3_16.5_20F66_Restore.ipsw

Checksums

SHA-256 3bc7acfbcddc8655e8933ce090b5a24ae13106d54ef1c10547f182905269d385

SHA-1 09112b6e85c24bfa094bfc3ca99a8d93356d0e2e

MD5 83fdc41eeee842a62760c173bf54bd7d

Direct URL

https://updates.cdn-apple.com/2023SpringFCS/fullrestores/032-85085/5750722F-B9FB-422F-912E-0DA3628C96A0/iPhone13,2,iPhone13,3_16.5_20F66_Restore.ipsw

Other Devices

How to Restore with This IPSW

iTunes / Finder

macOS & Windows

Download the .ipsw file to your computer.
Connect your iPhone 12 Pro via USB.
Open iTunes (Windows / macOS Mojave and earlier) or Finder (macOS Catalina+) and select your device.
Update (keep data): hold Option (Mac) or Shift (Windows) and click Update, then pick the .ipsw file.
Restore (erase & install): hold Option / Shift and click Restore iPhone…, then pick the .ipsw file.
Wait for the process to finish - do not disconnect.

Restoring will erase all data on the device. Back up first.

3uTools

Windows

Download and install 3uTools from 3u.com.
Connect your iPhone 12 Pro via USB and trust the computer on the device.
Go to Flash & JB → Easy Flash.
Click Import and select the downloaded .ipsw file.
Choose Flash mode: Update keeps data, Restore wipes the device.
Click Flash and wait for the progress bar to complete - do not disconnect.

Only flash firmware that matches your exact device model.

DFU Mode

Recovery tip

If your device is stuck in a boot loop or iTunes/Finder does not recognise it, enter DFU mode first, then select the .ipsw file as normal.

iPhone 8 / X and later

Quickly press & release Volume Up
Quickly press & release Volume Down
Hold Side button until screen goes black
Hold Side + Volume Down for 5 s
Release Side, hold Volume Down 5 more s
Black screen = DFU active

iPhone 7 / 7 Plus

Hold Sleep/Wake + Volume Down for 8 s
Release Sleep/Wake, keep holding Volume Down for 5 s
Black screen = DFU active

iPhone 6s and earlier

Hold Sleep/Wake + Home for 8 s
Release Sleep/Wake, keep holding Home for 5 s
Black screen = DFU active