How do I install iOS 12.3 beta on my iPad Air Wi-Fi + Cellular?

Connect your device to your computer. Open iTunes (Windows / macOS Mojave and earlier) or Finder (macOS Catalina and later). Hold Option (Mac) or Shift (Windows) and click Check for Update or Restore. Select the downloaded IPSW file and follow the on-screen instructions.

What are SHSH blobs and how do I save them?

SHSH blobs are cryptographic tickets Apple uses to verify firmware installations. Saving them while a version is still signed lets you potentially restore to it later. Use TSS Saver (tsssaver.1conan.com) or the blobsaver app with your device ECID.

Home / iPad / iPad Air Wi-Fi + Cellular / iOS 12.3 beta (16F5139e)

iOS 12.3 beta

Build 16F5139e

No Longer Signed

iPad Air Wi-Fi + Cellular iPad4,2

Released

April 22, 2019

File Size

Filename

No firmware file found on Apple's servers

Important Notice About Signing Status

Signing status was last updated less than a minute ago. Apple can stop signing at any time without notice.

Verify current status at IPSW.dev

Beta Firmware Notice

For official public releases, visit IPSWDL.com

Firmware Details

Device	iPad Air Wi-Fi + Cellular (iPad4,2)
OS Type	iOS
Version	12.3 beta
Build ID	16F5139e
Release Date	April 22, 2019
Signing Status	Unsigned Status last checked March 10, 2026. Verify at IPSW.dev
Filename	Not available
File Size
Download URL	No file found on Apple's servers

Installation Instructions

How to install this firmware

Download the IPSW file.
Connect your device to your computer.
Open iTunes (Windows / macOS Mojave and earlier) or Finder (macOS Catalina and later).
Hold Option (⌥) on Mac or Shift on Windows and click Check for Update or Restore.
Select the downloaded IPSW file and follow on-screen instructions.

This version is not currently signed by Apple. Installation will fail unless you have saved SHSH blobs and are using futurerestore.

Other Versions for this Device

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