Logically, the GO version is for all those device called GO... & the LE is for the rest:-
This update applies to: XXL Classic, ONE IQ Routes, XL IQ Routes, XL IQR2 / XL Classic, GO 750, GO 750 LIVE, GO 950, GO 950 LIVE, GO 540 LIVE, GO 740 LIVE, GO 940 LIVE, GO 530, GO 630, GO 730, GO 930, GO 720, GO 520, GO 920, EASE, ONE 140, Start