Apple, third developer betas of iOS and iPadOS 16.6, watchOS 9.6 and macOS 13.5


While most developers, but not only, are fully focused on testing the new features of iOS and iPadOS 17, macOS Sonoma, watchOS 10 and tvOS 17, Apple is still continuing the beta testing of iOS and iPadOS 16.6, macOS Ventura 13.5, watchOS 9.6 and tvOS 16.6. In the past few hours, in fact, more than two weeks after the previous ones, the third developer betas have been released. The related public betas should also arrive in the next few hours.


These versions of Apple’s operating systems for iPhone, iPad, Mac, Apple Watch and Apple TV are mainly focused on performance improvements and bug fixes. In iOS 16.6 and iPadOS 16.6, Apple however implemented a new feature called “iMessage Contact Key Verification” in iMessage, although it shouldn’t be fully functional yet.

iMessage Contact Key Verification, we recall, is one of the new security features announced by Apple at the end of last year that will offer users the possibility to verify, using tokens, that they are really chatting with a specific person. This feature was developed by Apple to provide additional protection for users subjected to extraordinary digital threats, such as journalists, human rights activists and government officials.


For installing these betas on iPhone and iPad is You must have at least 20% charge remaining or keep the device connected to the mains. For watchOS, the app on the connected iPhone must be used and the Apple Watch must have at least 50% autonomy and be within range of the iPhone‌ it is associated with.

These betas can be installed in OTA mode, directly through the appropriate menu in the system settingsfrom developers (and public beta testers) who have already installed a beta of previous versions or by going to “Software Update”, clicking the “Beta Updates” option and choosing iOS 16 Developer Beta (or Public beta)

Starting with iOS 16.4, Apple permanently eliminated the profile system. Initially, it was thought that the only way to be able to install beta firmware was to have an Apple ID associated with a tester account, either developer (paid) or public. In recent weeks, however, Apple has decided to allow everyone to be able to install the developer betas for free, obviously after registering your Apple ID on the appropriate portal.

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