nokia 6188 reflashing

ok here is the thing, i have a nokia 6188 that i use on snowmobile and that i have it on pay as u go..i activated it on line and when i turned it on i couldnt get the signal.. when i called telus they told me that i will need to reflash my phone .so when i asked how do i go about doing this they told me to go to a telus center ..but they told me there is none in my area ..so now i stuck between a rock and a hard place .. can someone help me out here..ty ..