@Clive_A thank you for moving my post to the requests section. Indeed I did vote for it meanwhile. Regarding the use case/scenario for this feature, I believe it should be the same as it was for...

ER707-M2 should also be enabled to check automatically for updates like e.g. EAP 683 does. Thanks in advance!

Much appreciated and a competitive no brainer since ISPs are going for it since quite some time and even my old Zxyel SBG3500 from 2014 was supporting DS-Lite!