Apple’s upcoming iOS 27 increasingly looks like a much more subtle major software update, especially when compared with the riot of upheaval that was the iOS 26 and its Liquid Glass UI. Now, a famous tipster is out with a major scoop, declaring that the iOS 27 might bring with it huge battery life improvements, courtesy of the update’s code cleanup attempts and interface tweaks.
Apple to bring a ton of optimizations and small UI tweaks with the iOS 27 update
Bloomberg’s Mark Gurman recently clarified that Apple will not institute any substantial UI-related changes with the upcoming iOS 27 update.
Even so, the legendary tipster does believe that the upcoming update would focus on three key areas:
Improve the efficiency of the codebase by removing scraps of defunct code.
Minor interface tweaks.
Optimizing older apps to improve their operational efficiencies.
According to Gurman, the combined effect of these changes would materialize in the form of a substantially improved battery life.
Also, with the iOS 27 update, Apple is planning to launch a dedicated Siri chatbot that will run on Google’s own TPUs and cloud infrastructure, possibly leased by Apple.
The chatbot Siri will reportedly leverage a much more advanced version of Google’s Gemini model, known internally as Apple Foundation Models version 11. Gurman added that “the model is expected to be competitive with Gemini 3 and significantly more capable than one supporting the iOS 26.4 Siri.”
Finally, iOS 27 might also ship some of the features that were originally destined for iOS 26.4.
Tesla’s support for Apple CarPlay is being hindered by the slow rollout of iOS 26
We noted recently that Apple’s latest software iteration for the iPhones – iOS 26 – was somewhat lagging when compared with the adoption recorded by the last-gen iOS 18 in the comparable timeframe.
Basically, after 150 days of availability, the iOS 26 is currently hovering at a 74 percent penetration vs. 76 percent for iOS 18 at this point in last year’s update cycle.
Now, Gurman is reporting that Tesla discovered a number of bugs in the synchronization between Apple Maps and the EV giant’s own map-based implementation. The analyst added:
“To address this, Tesla asked Apple to make engineering changes to Maps to improve compatibility. The iPhone maker agreed and implemented the adjustments in a bug fix update to iOS 26 and the latest version of CarPlay. But here’s the catch: Adoption of iOS 26 has been slower than with previous releases. That meant, in Tesla’s view, too few users had the updated Maps changes by the end of last year.”
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