https://community.sony.bg/t5/other-general/a55l-walkman/m-p/3974080#M62929 <P>Does anyone have an idea as to how to date my Walkman? I have had it for some time and there is I think a serial number....5435469 on the back.</P><P>Thanks</P> Tue, 25 Mar 2025 21:46:37 GMT vanman 2025-03-25T21:46:37Z https://community.sony.bg/t5/other-general/a55l-walkman/m-p/3974080#M62929 <P>Does anyone have an idea as to how to date my Walkman? I have had it for some time and there is I think a serial number....5435469 on the back.</P><P>Thanks</P> Tue, 25 Mar 2025 21:46:37 GMT https://community.sony.bg/t5/other-general/a55l-walkman/m-p/3974080#M62929 vanman 2025-03-25T21:46:37Z https://community.sony.bg/t5/other-general/a55l-walkman/m-p/3974410#M62931 <P>Hi <SPAN style="background: var(--ck-color-mention-background); color: var(--ck-color-mention-text);"><a href="https://community.sony.bg/t5/user/viewprofilepage/user-id/1431427475">@vanman</a></SPAN> You can check this, it tells you how to update the software: <A href="https://helpguide.sony.net/dmp/nwa50/v1/en/contents/TP0002342884.html?search=software" target="_blank">https://helpguide.sony.net/dmp/nwa50/v1/en/contents/TP0002342884.html?search=software</A></P> Sat, 29 Mar 2025 16:10:11 GMT https://community.sony.bg/t5/other-general/a55l-walkman/m-p/3974410#M62931 TheGOAT 2025-03-29T16:10:11Z