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The rendezvous hint was 0x02 (BLE only). This device also advertises commissionable discovery via SRP over Thread (_matterc._udp), so the correct value is 0x06 (BLE | OnNetwork). With 0x02, commissioners that follow the hint strictly skip the IP path entirely even when the device is reachable via Thread, leaving only BLE — which fails without the external antenna. 0x06 lets commissioners try both transports in parallel and succeed via whichever path responds first. https://claude.ai/code/session_01SxqAiQApiRTwXefk9aQ6bR
0x06 was incorrect. The app only registers _matter._tcp (operational) via SRP, never _matterc._udp (commissionable), so there is no IP rendezvous path at onboarding time. Thread credentials are pushed over BLE during commissioning, meaning IP is unavailable until after commissioning completes. Advertising OnNetwork (0x04) misleads commissioners into attempting an IP path that does not exist. https://claude.ai/code/session_01SxqAiQApiRTwXefk9aQ6bR
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