<story><title>AirPods fast connect security vulnerability</title><url>https://blogs.gnome.org/jdressler/2024/06/26/do-a-firmware-update-for-your-airpods-now/</url></story><parent_chain></parent_chain><comment><author>jessriedel</author><text>&amp;gt; Its main purpose seems to be reducing the time it takes to establish a connection between two Apple devices from roughly 1 second down to about 0.5 seconds.&lt;p&gt;&amp;gt; With this trick, they can establish that both devices are speaking the Fast Connect protocol without violating the Bluetooth specification, and then go on to exchange 3 more back-and-forth messages, negotiating all the things necessary to fully connect the two devices.&lt;p&gt;&amp;gt; The fact that this only takes 4 messages back-and-forth in total is what makes Fast Connect fancy, because usually in Bluetooth the phase of wiring up the individual channels for a connection is quite a complex negotiation and involves sending various SDP descriptors that describe which protocols&amp;#x2F;features both sides support.&lt;p&gt;Two devices in the same room communicating over even a very narrow slice of the electromagnetic spectrum could exchange many thousands of messages per second. What is it about Bluetooth that causes each message to take a hundred milliseconds rather than, say, a microsecond? What is setting the timescale for this process?</text></comment>
<story><title>AirPods fast connect security vulnerability</title><url>https://blogs.gnome.org/jdressler/2024/06/26/do-a-firmware-update-for-your-airpods-now/</url></story><parent_chain></parent_chain><comment><author>rock_artist</author><text>&amp;gt; That’s because AirPods auto-update their firmware by themselves, but only when they’re used together with an iPhone or MacBook, so Android users have no easy way to update their firmware.&lt;p&gt;From what I remember, advantage of affected Beats devices which also use same chip is they can actually be updated from the beats app on Android</text></comment>