iPhone 5s (GSM) iPhone6,1

IPSW Unsigned 16H62

iOS 12.5.5

iOS

Version

12.5.5

Build ID

16H62

File Size

2.81 GB

Release Date

2021-09-23

Last Updated

2021-09-20

Download IPSW

Beta firmware? Download Here →

About This Firmware

iOS 12.5.5 (build 16H62) is an official Apple IPSW for the iPhone 5s (GSM), released on 2021-09-23. 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

iPhone_4.0_64bit_12.5.5_16H62_Restore.ipsw

Checksums

SHA-256 58d63cf7902b27e3f1f2e4ef2c0ca0b475303b083f660c20af17ad0dbd8babd5

SHA-1 f61b78c33c5664b71f2965f7266956019fe82c65

MD5 7395e3f79e59d0451849c52f1ff495f4

Direct URL

https://updates.cdn-apple.com/2021WinterFCS/fullrestores/002-05523/A1FB133D-E3C8-44C7-946E-D7C5FEDDE663/iPhone_4.0_64bit_12.5.5_16H62_Restore.ipsw

Other Devices

iPhone XS Max

iPhone11,6

iPhone 4 (GSM / 2012)

How to Restore with This IPSW

iTunes / Finder

macOS & Windows

Download the .ipsw file to your computer.
Connect your iPhone 5s (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 5s (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