How Apple put the hurt on carriers subscriber growth

The usual third-quarter subscriber boom failed to happen as operators had no new iPhone to lure in new customers.

But UBS predicts that the fourth quarter will more than make up for any slumps, as it combines the traditional holiday surge with a delayed new-iPhone bump.

Source:
http://gigaom.com/2011/11/11/lack-of-new-iphone-stings-operators-in-q3/