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EP 4 816 918 A1

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(43) Date of publication: 07.10.2026 Bulletin 2026/41 (21) Application number: 25799905.2 (22) Date of filing: 29.09.2025

(51) International Patent Classification (IPC):  G06F 8/61(2018.01) H04L 12/28(2006.01) G06F 9/4401(2018.01) (52) Cooperative Patent Classification (CPC): G06F 8/61; G06F 8/62; G06F 9/4411; H04L 12/2814 (86) International application number: PCT/US2025/048460 (87) International publication number: WO 2026/073115 (02.04.2026 Gazette 2026/14)

(84) Designated Contracting States: AL AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC ME MK MT NL NO PL PT RO RS SE SI SK SM TR Designated Extension States: BA Designated Validation States: GE KH LA MA MD TN (30) Priority: 27.09.2024 US 202463700533 P 05.12.2024 US 202463728407 P 10.03.2025 US 202519075331 29.04.2025 US 202563796877 P 17.07.2025 US 202563846040 P (71) Applicant: Apple Inc. Cupertino, CA 95014 (US)

(72) Inventors: RAUENBUEHLER, Keith W. Cupertino, California 95014 (US) GAL, Andreas I. Cupertino, California 95014 (US) LEE, Christopher J. Cupertino, California 95014 (US) VANDERA, Chrysanthi Cupertino, California 95014 (US) ROMANO, Daniel G. Cupertino, California 95014 (US) FELKINS, James F. Cupertino, California 95014 (US) GRUBB, Jared S. Cupertino, California 95014 (US) MAKHARIA, Shivesh Cupertino, California 95014 (US) (74) Representative: Bateman, Samuel Alec  Withers & Rogers LLP 2 London Bridge London SE1 9RA London SE1 9RA (GB)