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iPhone 5s (Global) iPhone 5s (Global) iPhone6,2
IPSW Unsigned 16C104

iOS 12.1.2

OS
iOS
Version
12.1.2
Build ID
16C104
File Size
2.87 GB
Release Date
2018-12-20
Last Updated
2018-12-18

About This Firmware

iOS 12.1.2 (build 16C104) is an official Apple IPSW for the iPhone 5s (Global), released on 2018-12-20. 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_12.1.2_16C104_Restore.ipsw

Checksums

SHA-256 20bfd0eaf07be8378976d68cc7876b73a3c767fa03e6e92f2af7cbd0035882ff
SHA-1 580d654267d0998040aea2579f17c2d72caf81af
MD5 ad12d08621ccda6746da9fc9910cd82d

Direct URL

https://updates.cdn-apple.com/2018FallFCS/fullrestores/041-28432/A2A5A170-02EA-11E9-86D5-9A6E32F013F9/iPhone_4.0_64bit_12.1.2_16C104_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 5s (Global) 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 5s (Global) via USB and trust the computer on the device.
  3. Go to Flash & JBEasy 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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