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iPhone XR iPhone XR iPhone11,8
IPSW Unsigned 16F203

iOS 12.3.1

OS
iOS
Version
12.3.1
Build ID
16F203
File Size
3.24 GB
Release Date
2019-05-24
Last Updated
2019-05-22

About This Firmware

iOS 12.3.1 (build 16F203) is an official Apple IPSW for the iPhone XR, released on 2019-05-24. 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

iPhone11,8_12.3.1_16F203_Restore.ipsw

Checksums

SHA-256 38d3712ef03affae3ac40530ea9ecb3ae517b16f179798a422c4d18b7a0d9960
SHA-1 715e89f09960aeaf9d7f2d51cb51b9fd38c57ee8
MD5 86ef450cf88136bb06508963e62d910a

Direct URL

https://updates.cdn-apple.com/2019SpringFCS/fullrestores/041-68314/CC3C4D6A-7C96-11E9-A3EA-50F06256CCDB/iPhone11,8_12.3.1_16F203_Restore.ipsw

Other Devices

How to Restore with This IPSW

iTunes / Finder

macOS & Windows
  1. Download the .ipsw file to your computer.
  2. Connect your iPhone XR via USB.
  3. Open iTunes (Windows / macOS Mojave and earlier) or Finder (macOS Catalina+) and select your device.
  4. Update (keep data): hold Option (Mac) or Shift (Windows) and click Update, then pick the .ipsw file.
  5. Restore (erase & install): hold Option / Shift and click Restore iPhone…, then pick the .ipsw file.
  6. Wait for the process to finish - do not disconnect.
Restoring will erase all data on the device. Back up first.

3uTools

Windows
  1. Download and install 3uTools from 3u.com.
  2. Connect your iPhone XR via USB and trust the computer on the device.
  3. Go to Flash & JB → Easy Flash.
  4. Click Import and select the downloaded .ipsw file.
  5. Choose Flash mode: Update keeps data, Restore wipes the device.
  6. 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

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

iPhone 7 / 7 Plus

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

iPhone 6s and earlier

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