Apple Watch Series 9 Masimo warns Apple that a swift software update is not enough to allow banned watches back on the market Apple is furiously working on a software upgrade for the Series 9 and Utra 2 watches that were withdrawn from sale following a patent row Patent row forces Apple to halt sales of Apple Watch Series 9 and Ultra 2 Authorities say Apple's SpO2 tracking violates a rival's patent Advnture NewsletterAll the latest inspiration, tips and guides to help you plan your next Advnture!Contact me with news and offers from other Future brandsReceive email from us on behalf of our trusted partners or sponsors LATEST ARTICLES1Arc'teryx continues its adventure in hiking footwear with the fast and light Kopec GTX shoe2Explore the wilderness in style with Yeti's three new colorways3Ready for shreddy? These top-rated Smith ski goggles are over $100 off right now4Don't wait for Prime Day – this "shockingly comfortable" Therm-A-Rest sleeping pad is 28% off right now5"These missions are very risky and entirely avoidable" – California climbers warned after 5 rescued in icy conditions