Get the latest tech news
O2 VoLTE: locating any customer with a phone call
Privacy is dead: For multiple months, any O2 customer has had their location exposed to call initiators without their knowledge.
In the past, it wasn't uncommon to find devices that required special firmware to utilise VoLTE and WiFi Calling. Using an application known as Network Signal Guru (NSG) on my rooted Google Pixel 8, I called another O2 customer (with a 4G VoLTE compatible device) to try and determine audio quality. EE, a rival network, have a clear and well defined escalation route (see https://www.bt.com/about/contact-bt/responsible-disclosure) that I imagine would have prevented the need for this information to have been publicly shared.
Or read this on Hacker News