Jcac10003-oc2-v1.0 Update [2021] -

All TLS 1.2 sessions are now forcibly migrated to TLS 1.3. The update also enables hardware-accelerated AES-256-GCM using the onboard cryptographic co-processor, which was previously idle. As a result, secure tunnel establishment is 40% faster.

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Are you experiencing a specific with your head unit, or are you looking for the download link for a newer version? Jcac10003-oc2-v1.0 Update