Anyone knows how to update firmware on Alphion 1143 Black, ( IPv 6 is available for firmware ver 0.4.H.00.00.c6 as mentioned in bsnl pdf site: https://bharatfibre.bsnl.co.in/IPv6.html). I am currently running ver 0.4.H.00.01.05. also how to set up QoS on the router?