The search for "M1 firmware update v2.03" does not return a single authoritative match for a widely known product at that exact version. It most likely refers to the Antelope Audio Zen Go Synergy Core , which famously used as a major firmware milestone. Antelope Audio Zen Go Synergy Core (Firmware v2.03)
Apple does not use "v2.03" for its firmware; updates are bundled with macOS (e.g., macOS Big Sur 11.2.3 carried firmware version Recent updates have moved past this version, with being the latest standard releases to fix startup freezes. The M11 series uses a different numbering scheme (e.g., Bose QuietComfort Earbuds II (Internal M1 chip): Latest significant updates include , which added independent single-earbud use. release notes for one of these specific devices? AI responses may include mistakes. Learn more m1 firmware update v2.03