How do I install iOS 12.1 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 12.1 beta (16B5089b)

iOS 12.1 beta

Build 16B5089b

No Longer Signed

iPad Air Wi-Fi + Cellular iPad4,2

Released

October 22, 2018

File Size

2.88 GB

Filename

iPad_64bit_12.1_16B5089b_Restore.ipsw

Download IPSW

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	12.1 beta
Build ID	16B5089b
Release Date	October 22, 2018
Signing Status	Unsigned Status last checked March 10, 2026. Verify at IPSW.dev
Filename	iPad_64bit_12.1_16B5089b_Restore.ipsw
File Size	2.88 GB
Download URL	https://updates.cdn-apple.com/2018FallSeed/fullrestores/041-15982/6EE275EE-D2EC-11E8-8537-09A33504D6F4/iPad_64bit_12.1_16B5089b_Restore.ipsw

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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