<font face="Verdana, Arial, Helvetica, sans-serif" size="2">Originally posted by winstoda:
Sidekick data services ARE available in Canada. I've used it in Toronto and Montreal.</font>
That would be on T-mobiles GPRS roaming, a very expensive thing to do and sadly not part of the Sidekicks unlimited GPRS package. Yes, the sidekick will work anywhere on a GSM1900 network with T-mobile GPRS roaming. If he could roam on T-mobile he wouldn't need his sim unlocked.