iPhone 7 (GSM)

iPhone9,3

IPSW Unsigned

iOS 12.3.1

16F203

OS: iOS
Version: 12.3.1
Build: 16F203
File Size: 3.18 GB
Released: 2019-05-24

About This Firmware

iOS 12.3.1 (build 16F203) is an official Apple IPSW for the iPhone 7 (GSM), released on 2019-05-24. The download is 3.18 GB and 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 checksums below.

Filename

iPhone_4.7_P3_12.3.1_16F203_Restore.ipsw

Checksums

SHA-256 f84eeebedabbd604fff77f0782e0c19a35a3ab9c20cc33f9606daed55e9d89c7

SHA-1 ff876bff2a63d71ce7f926e14ba925556713fec9

MD5 01c14063eb73dc38d8d0d1ac63cbf288

Direct URL

https://updates.cdn-apple.com/2019SpringFCS/fullrestores/041-68438/CC1BE570-7C96-11E9-89A0-32F06256CCDB/iPhone_4.7_P3_12.3.1_16F203_Restore.ipsw

Download IPSW

Other Devices

iPhone 4 (GSM / 2012)

iPhone3,2

How to Restore with This IPSW

iTunes / Finder

macOS & Windows

Download the .ipsw file to your computer.
Connect your iPhone 7 (GSM) 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 7 (GSM) 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