Shulou(Shulou.com)11/24 Report--

CTOnews.com May 26, following the release of iOS 16.5 on May 18, Apple has now closed the verification channel for iOS version 16.4.1. Now that iOS 16.4.1 is no longer signed, iPhone users cannot be downgraded to the software version.

Apple usually stops signing the old version of iOS after the new version is released to encourage users to keep the operating system updated.

According to CTOnews.com, the official version of Apple iOS 16.4.1 was released on April 8, less than two weeks after the release of iOS 16.4, which introduced new emoticons, Safari Web push notifications, phone voice isolation, and so on.

Apple iOS 16.5 is the currently publicly released version of iOS, with some important bug fixes and new features, including the dedicated "Sports" tab in Apple News and Pride Collection wallpaper for locking screens.

How do I upgrade the iOS / iPadOS / watchOS / macOS development version?

To upgrade the iOS / iPad OS 17 developer preview version, please refer to the experience shared by family and friends: experience post 1 | experience post 2 | experience post 3 | | experience post 4.

From iOS / iPadOS 16.4 developer preview version Beta 1, you need to register for the Apple developer program. After registration, open the system * * Settings * * and * * Software updates * * to see the upgrade options. Note that your iPhone or iPad must be logged in using the same Apple ID you used when registering Apple Developer Program to see the upgrade option in the settings.

In future iOS and iPadOS versions, this new setting will be a way to enable the developer preview version, and the configuration description file will no longer grant access.

How to upgrade iOS / iPadOS / watchOS / macOS public beta version? You only need to download and install the [description file] to detect the public beta upgrade in the system update. The description file can be downloaded by:

Method 1: follow CTOnews.com Wechat official account (click here to enter), send a message [description file] or [Apple] to get an automatic reply download link. As shown in the following figure:

Method 2: open the CTOnews.comiOS client (click here to download), click [find] → [Apple description File] to find the download link. As shown in the following figure:

Method 3: go to Apple iOS description file download Daquan-full use strategy: play beta / limited upgrade. Must-have download.

It should be noted that due to the cache configuration problem of Apple node servers in various regions, the upgrade and update time may be slightly delayed in some places, usually within half an hour, not too long.

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

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