Bose Sound Link speaker updating

Peter Russillo

Hello list, I have a Bose Sound Link Wireless Mobile speaker, the one that was made between 2011 and 2014, the one with 6 buttons in a row across the top, and the leather cover that unfolds as a stand for the speaker; I have it paired with my Windows 10 laptop.  I wanted to update it so the latency can be reduced; however, the Bose tech person tells me the updating software for that speaker is not available from Bose any more; if anyone uses this particular speaker, is there some source I can find the updater software, or perhaps a batch file that would do the updating at one go, and can be used by someone using a screen reader?  Thanks for any info you can give me on this.  I'm not in a financial position to get a new Bose unit, though I like Bose for the very good bass sound their peeakers put out.  Thanks.

Yours truly, Peter