Hello @Sunshine  im curious about  this i have two archer mr600 v2 ,  one is 1.6.0 and other one is newly upgrade to a 1.7.0 and now they have thesame ISP VERSION 23021501   it is normal  ? My 1.6.0 according to a modem mr600 v2 need to upgrade  to 1.7.0 but i can't  do that because my other modem mr600 v2 upgrade 1.7.0 last week not working properly  .      So i  deside to still 1.6.0  what will i do to still stay this firmware  without  dropping connection and any bugs or unregester internet connection  according  to upgrade  in firmware setting on modem mr600.

please help me .