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Apple U2
This is r2 (the current revision), saved by jack. Full history
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Apple U2
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| Designer | Apple |
|---|---|
| Introduced | September 2023 (iPhone 15 generation, Apple Watch Series 9) |
| Role | Ultra-wideband — Apple's official name is "second-generation Ultra Wideband chip" |
| Devices | iPhone 15–17 generations · Apple Watch S9/S10 models (via SiP) · AirTag 2 |
| Predecessor | Apple U1 |
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Apple's second-generation Ultra Wideband chip — U2 is the community's shorthand, never Apple's — tripled the U1's range when it arrived across the iPhone 15 generation and the Apple S9-era Watches. Its headline trick is Precision Finding between devices: an iPhone can now point its owner to their Watch, and vice versa, through a house or a crowd.
1 Legacy✎
Still current: every flagship iPhone and Watch since 2023 carries it, keeping the spatial layer of Find My, handoff, and car keys running at longer reach while the name "U2" remains strictly unofficial.
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