Check out this link.http://www.droidviews.com/how-to-change-csc-in-samsung-galaxy-phones/ Scroll down to How to Change CSC in Samsung Galaxy and follow instructions
I got fed up as well for waiting and all you have to do is google "how to change CSC in galaxy samsung devices" then follow the instuctions in the link to change your CSC. I changed mine to Telus "TLS" it then formated the phone. I then did a softwar...
Thanks.. But if rogers doesn't control what updates come on a new device. Why is there a delay in the update for older devices?. Samsung has already release Marshmallow to the carriers.