Apple Watch Ultra 4: Four rumored new features coming this fall - 9to5Mac
Apple Watch Ultra 4 is coming later this year, and rumors indicate there are at least four feature upgrades in the works.
Condensed by AI-Portable from Editorial queue.
The Apple Watch Ultra 4 is shaping up to be a significant step forward, with whispers from the supply chain and industry insiders pointing to at least four new capabilities. Set for a fall debut, the rugged wearable is expected to build on the Ultra line’s reputation for extreme endurance while adding smart refinements that could make it the go-to device for adventurers and everyday users alike.
Battery and Performance Leaps
Apple is rumored to be packing a more power-efficient S-series chip into the Ultra 4, likely fabricated on a refined 3nm process. Combined with a larger battery cell — possibly exceeding the current 542 mAh — real-world stamina could push well past 3 days of mixed use, even with always-on display active. Early chatter suggests a new low-power mode optimized for multi-day expeditions, trimming background tasks without sacrificing core navigation and health monitoring. Faster wireless charging is also on the table, closing the gap with competitors that already offer 80% charge in under 45 minutes.
Design and Durability Tweaks
While the overall silhouette will stay chunky and unmistakably Ultra, tipsters hint at a slightly lighter titanium alloy frame and a thinner bezel, allowing a marginally larger active display area without increasing case size. The digital crown and side button may adopt haptic feedback similar to the MacBook trackpad, improving gloved operation. Water resistance is expected to jump to WR100m or higher, making it suitable for recreational diving without a separate case. A matte black finish, long desired by fans, could finally join the natural titanium option.
Health and Connectivity Smarts
Health sensing is where the Ultra 4 might truly separate from the pack. Leaks point to a next-gen optical heart sensor with improved accuracy during high-intensity workouts, plus the possible addition of blood glucose tracking via non-invasive spectroscopy — a holy grail for wearable makers. Cellular connectivity could gain satellite messaging support for off-grid texts, building on the iPhone’s emergency SOS feature. Dual-band GPS accuracy is also said to be refined, with faster lock-on times and better performance under dense tree cover.
All these upgrades are expected to arrive alongside watchOS 27, which 9to5Mac has reported will introduce a striking new watch face inspired by classic analog altimeters. If even half these rumors hold true, the Apple Watch Ultra 4 will set a new standard for portable AI companions on the wrist.