[tsac]

You do realize this is not a Blackberry company forum dont you.

On the issues, all carriers replace the phones with usesd or refurbished ones from stock.
In most cases none go back to the manufacturer. Repair companys either owned by the carrier or independents are used. In some cases the returned phone is simply checked and the OS is replaced.
I have people i know who have had the same issue with Apple , Samsung and Nokia.

I would suspect cost is the driving factor and there is not much anyone can do.

I would also suggest when you get the new phone you leave it alone andnot add any 3rd party apps until your very sure the phone works as desired. Sadly there are a lot of Apps that cause issues and the users in most cases are unable to know before hand. A lot also depends on interaction with other apps so some may be ok and some cause issues that look like other issues making the user think it's hardware.

Rogers is the one to push if the phone does not work when you get it.