iPad Pro 3 (12.9-inch, Cellular)

iPadOS 12.3.1 (16F203) for iPad Pro 3 (12.9-inch, Cellular)

Not signed Released May 24, 2019 iPad8,7

Download IPSW

iPad_Fall_2018_12.3.1_16F203_Restore.ipsw

3.51 GB
Apple no longer signs this version. Finder and iTunes will refuse to install it on iPad Pro 3 (12.9-inch, Cellular) — the latest signed version is iPadOS 26.7.3.
Download iPadOS 12.3.1

The file is downloaded directly from Apple’s servers (updates.cdn-apple.com). Large files download faster with a download manager or curl -O.

Verify the file

SHA256
25fe123ed1a71fc29a6150d1edad6bef9e9585ade5ffe8d6ddf590655662c688
SHA1
8b5f71cf9f1c2f0e3ed8b2578b0e14c4fa2d3e2c
MD5
e68ea5e398d05256880acbc924e38ff6

On a Mac: shasum -a 256 iPad_Fall_2018_12.3.1_16F203_Restore.ipsw · On Windows: certutil -hashfile iPad_Fall_2018_12.3.1_16F203_Restore.ipsw SHA256

Firmware details

Version
iPadOS 12.3.1
Build
16F203
Released
May 24, 2019
Uploaded
May 22, 2019
File size
3.51 GB (3,772,631,792 bytes)
Signing
Unsigned

Device

Identifier
iPad8,7
Board
J321AP
Platform
t8027
CPID
0x8027
BDID
0xA

Jailbreak

Public jailbreak tools reported to support iPadOS 12.3.1 on this device:

unc0ver Semi-Untethered

A highly popular and reliable jailbreak supporting iOS 11.0 to 14.8 on most devices.

Guide
Chimera Semi-Untethered

The first semi-untethered jailbreak with a modern Swift bypass, supporting iOS 12.0 - 12.5.7.

Guide

Real jailbreaks are always free and open source. Sites asking you to pay, install profiles or “verify” with surveys are scams.

How to install iPadOS 12.3.1 with this IPSW

  1. Back up your iPad Pro 3 (12.9-inch, Cellular) to iCloud or your computer — restoring erases the device.
  2. Turn off Find My in Settings → [your name] → Find My.
  3. Connect the device with a cable and open Finder (macOS Catalina or later) or Apple Devices / iTunes (Windows).
  4. Hold Option (Mac) or Shift (Windows) and click Restore. Choose iPad_Fall_2018_12.3.1_16F203_Restore.ipsw.
  5. Wait — the device restarts several times. Don’t disconnect it until you see the Hello screen.

Stuck on the Apple logo? Put the device into recovery mode first, then restore.

← All iPad Pro 3 (12.9-inch, Cellular) firmware