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(11)

EP 4 681 373 A1

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(43) Date of publication: 21.01.2026 Bulletin 2026/04 (21) Application number: 24740259.7 (22) Date of filing: 10.05.2024

(51) International Patent Classification (IPC):  H04L 5/00(2006.01) H04L 27/26(2006.01) (52) Cooperative Patent Classification (CPC): H04L 5/0051; H04L 27/2613; H04L 27/2646; H04L 5/0094; H04L 27/2692 (86) International application number: PCT/US2024/028818 (87) International publication number: WO 2024/233907 (14.11.2024 Gazette 2024/46)

(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 MA MD TN (30) Priority: 10.05.2023 US 202363501210 P (71) Applicant: Apple Inc. Cupertino, CA 95014 (US)

(72) Inventors: BHAMRI, Ankit Cupertino, California 95014 (US) SUN, Haitong Cupertino, California 95014 (US) ZENG, Wei Cupertino, California 95014 (US) ZHANG, Dawei Cupertino, California 95014 (US) HE, Hong Cupertino, California 95014 (US) FAKOORIAN, Seyed Ali Akbar Cupertino, California 95014 (US) YE, Sigen Cupertino, California 95014 (US) (74) Representative: Simmons & Simmons  City Point One Ropemaker Street London EC2Y 9SS London EC2Y 9SS (GB)