Sony Ericsson was a joint venture between Sony and Ericsson formed in 2001, known for Walkman and Cyber-shot phones that were hugely popular through the 2000s before the brand was phased out in 2012. Its startup tone and default ringtones became part of everyday life for millions of users, heard in classrooms, buses and offices. As those handsets disappeared, recordings of the jingle resurfaced online in nostalgia compilations and meme edits, where the familiar melody now instantly signals an old phone, a throwback moment, or a simpler pre-smartphone era.