I decided to migrate from Shaw to Rogers a week ago. It's been a nightmare. Rogers is ill-prepared for the migration. Check out this thread: https://forums.redflagdeals.com/rogers-move-your-shaw-mobile-rogers-get-1-gig-data-free-2625480/14/#....
I know this is many months overdue, but they ended up replacing my modem stating it was almost non functional, and that i was not going crazy