Apple's new iPhone 18 Pro models, Apple Watch Series 12, and AirPods 5 will require day-one software updates upon release on September 18. The devices ship with pre-release iOS 27 and watchOS 27 versions that differ from the launch versions, necessitating immediate updates during setup or over-the-air.
iOS 27's new Siri AI represents a major upgrade from the previous version, with David Pogue testing 125 requests and finding the assistant successful in nearly all cases, including complex tasks like retrieving pending messages and inferring context. The improved AI can now handle far more sophisticated requests beyond basic reminders and timers, though some third-party app integrations may require updates for full compatibility.
iOS 27 brings significant CarPlay updates including custom widgets, audio scrubbing, Apple Music filters, and improved Maps navigation that work in any CarPlay-equipped vehicle. However, advanced features like video browsing and route sharing to vehicle displays require manufacturer support, while upgraded Siri AI needs a compatible iPhone with Apple Intelligence access.
Apple released iOS 27 with a new AI-powered Siri that requires waitlist signup, available only on iPhone 15 Pro and newer. The ChatGPT-like assistant can access personal information and perform actions across apps, with wait times varying from minutes to days. It launches in English only, with additional languages coming in October, and is unavailable in the EU due to regulatory issues.
Apple released iOS 27 on September 14, featuring Siri AI and other upgrades. Users may experience temporary battery drain after installation due to background indexing and setup processes, which Apple confirmed is normal. Heavy iPhone usage post-update can also contribute to battery depletion, though performance should stabilize once setup completes.
iOS 27 updates cause temporary battery drain and device heat due to background indexing processes, particularly for Siri AI re-indexing, which may last several days. Performance returns to normal once setup completes, potentially with improved battery efficiency.
Apple announced that Verizon and EE will support iOS 27's iPhone Handoff feature later this year, which allows users to switch between two iPhones using the same phone number. The feature is initially supported by T-Mobile (charging $5/month) and Deutsche Telekom.
iOS 27 features a significantly improved Siri powered by Google's Gemini models, enabling complex tasks like multistep directions, on-screen context understanding, and integration with files and messages. Apple Intelligence also introduces natural language Shortcuts creation and other quality-of-life improvements, making Siri genuinely useful for the first time in years.
iOS 27 introduces design refinements and a revamped Siri AI, compatible with iPhone 11 and newer. Before updating, ensure 18-25GB free storage, adequate battery power, a Wi-Fi connection, and back up your device through iCloud or a computer to prevent data loss during the upgrade process.
Siri creators Dag Kittlaus and Adam Cheyer envisioned a "do engine" that executes tasks rather than just searches. Apple acquired Siri in 2011 for over $200 million, but kept it limited to simple functions until now. Apple is rolling out a rebuilt AI-powered Siri in iOS 27 that can analyze screens, operate apps, and access personal data, bringing the assistant closer to the founders' original vision while competing with ChatGPT and Google Gemini.
Apple announced iOS 27, releasing Monday September 14, featuring a major Siri AI overhaul powered by Apple Intelligence, along with enhanced Photos tools, Liquid Glass design refinements, performance improvements across the OS, iPhone Handoff for dual-device switching, and Apple Cash bill splitting.
Apple is releasing iOS 27 on Monday, September 14 at approximately 10:00 a.m. Pacific Time, featuring advanced Siri AI capabilities and other improvements. The update will roll out globally across different time zones simultaneously, with macOS Golden Gate and other OS 27 releases launching at the same time. Users should ensure their devices are fully charged and may experience slower speeds during initial rollout due to high server demand.
Apple has delayed two iOS 27 features—suggestions in Messages and automatic password changes—removing them from the September 14 release and promising them in a future software update. The changes also affect iPadOS 27 and macOS 27, with no timeline specified for their return.
Apple's iPhone Handoff feature, launching with iOS 27, allows users to share an eSIM number across two iPhones by switching between devices. T-Mobile will charge US customers $5 monthly for this capability, while Deutsche Telekom offers it in Germany. Calls, messages, and iCloud data automatically transfer between the active device.