Update 2: SaskTel’s website and has been updated to show October 28th as its release date, as seen below (which coincides with the rumoured MTS date):
Update 1: We received an unconfirmed tip MTS will release the iPhone 4S on October 28th (thanks KC).
SaskTel and MTS have confirmed they will offer the iPhone 4S to its customers. Sasktel has updated its website with an ‘iPhone 4S Coming Soon’ graphic:
Whereas MTS Allstream confirmed the news on Facebook:
There has been no mention of pre-order availability, but I would expect these carriers to either offer the iPhone 4S on launch day or soon thereafter.
Thanks @JordanHollins for the heads up!