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CTOnews.com March 22 news, Apple today released iOS / iPadOS 16.4 RC preview version, but also released tvOS 16.4 RC preview version update, the specific version number is (20L497). RC Preview Candidate marks the final version of the software that will be available to the public in the near future.

Registered developers can download tvOS 16.4 updates using Xcode to download profiles on Apple TV.

tvOS updates are generally minor, focusing on internal bug fixes and improvements rather than significant external changes. No significant beta changes have been identified.

Apple shares some information about the official version of tvOS in its tvOS support documentation, which is updated after each tvOS release.

How to upgrade iOS / iPadOS / watchOS / macOS Developer Edition?

Upgrade iOS / iPad OS 17 developer preview version, please refer to family friends to share experience: experience paste 1|| Experience 2|| Experience 3|| Experience 4.

Starting from iOS / iPadOS 16.4 Developer Preview Beta 1, you need to register for the Apple Developer Program. After registration, open the system [Settings][Software Update] to see the upgrade option. Note that your iPhone or iPad must be signed in with the same Apple ID you used to sign up for the Apple Developer Program to see upgrade options in Settings.

In future versions of iOS and iPadOS, this new setting will be the way to enable developer previews, and profiles will no longer grant access.

How to upgrade iOS / iPadOS / watchOS / macOS beta? Just download and install the [Description File] to detect the public beta upgrade in the system update. The description file download methods are:

Method 1: Pay attention to CTOnews.com Weixin Official Accounts (click here to enter), and send a message [Description File] or [Apple] to get an automatic reply download link. As shown below:

Method 2: Open CTOnews.comApp (click here to download), click [Discovery] → [Apple Description File] to find the download link. As shown below:

Method 3: Go to Apple iOS Description File Download Daquan & Complete Use Guide: Play Beta/Limit Upgrade... Essential Download.

It should be noted that due to the cache configuration problem of Apple's regional node servers, there may be a slight delay in detecting upgrade updates in some places, generally within half an hour, not too long.

Apple iOS firmware download history: Apple iOS / iPadOS / macOS firmware download/update log

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