iPhone XS Max (China) iPhone11,4

IPSW Unsigned 16C50

iOS 12.1.1

iOS

Version

12.1.1

Build ID

16C50

File Size

3.34 GB

Release Date

2018-12-05

Last Updated

2018-12-05

Download IPSW

Beta firmware? Download Here →

About This Firmware

iOS 12.1.1 (build 16C50) is an official Apple IPSW for the iPhone XS Max (China), released on 2018-12-05. 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

iPhone11,4,iPhone11,6_12.1.1_16C50_Restore.ipsw

Checksums

SHA-256 13031a73d342799c7486d4a65387486e3c6e35595600d4487f874116637c64ac

SHA-1 26ca987b7964086de4851207589a6ead3522469f

MD5 4e6818f6c357f3d216ea8504a7b4ecc6

Direct URL

https://updates.cdn-apple.com/2018FallFCS/fullrestores/041-05353/58534B4A-E9F9-11E8-8224-C70325928104/iPhone11,4,iPhone11,6_12.1.1_16C50_Restore.ipsw

Other Devices

iPhone 7 Plus (Global)

How to Restore with This IPSW

iTunes / Finder

macOS & Windows

Download the .ipsw file to your computer.
Connect your iPhone XS Max (China) 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 XS Max (China) 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