How do I install tvOS 26.3 RC on my Apple TV HD (4th generation)?

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 / Apple TV / Apple TV HD (4th generation) / tvOS 26.3 RC (23K619)

tvOS 26.3 RC

Name: tvOS 26.3 RC for Apple TV HD (4th generation)
Availability: OutOfStock

Build 23K619

No Longer Signed

Apple TV HD (4th generation) AppleTV5,3

Released

February 4, 2026

File Size

5.17 GB

Filename

AppleTV5,3_26.3_23K619_Restore.ipsw

Download IPSW All Build 23K619 Firmware

Important Notice About Signing Status

Signing status was last updated 6 hours ago. Apple can stop signing at any time without notice.

Beta Firmware Notice

For official public releases, visit IPSWDL.com

Firmware Details

Device	Apple TV HD (4th generation) (AppleTV5,3)
OS Type	tvOS
Version	26.3 RC
Build ID	23K619
Release Date	February 4, 2026
Signing Status	Unsigned Status last checked April 14, 2026.
Filename	AppleTV5,3_26.3_23K619_Restore.ipsw
File Size	5.17 GB
Download URL	https://updates.cdn-apple.com/2026WinterFCS/fullrestores/047-54543/3EEAA73C-5E2A-41B6-BF40-EA529111C6D8/AppleTV5,3_26.3_23K619_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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