Yes its not as easy as taking your similar card out but all u have to do is log into your account on sprint.com and swap your esn. I do it all the time.
wma to mp3 Renee i agree with you to a point but ever since 4.1 the iso updates seem to cripple my iphone 4 when i use sbsetting and compare the free ram i mean on 4.1 iam rockin 370 and any ios after that seem sluggish at best i mean iam all for updates but apple please tighten up
Below is one tool created by me, you are welcome to try it and give me your feedback:
dvd to mpeg: a free dvd to mepg ripper