S Simran New member Mar 22, 2010 #1 Would a AT&T sim card work in a T-Mobile Sidekick? if so, is there any special thing I would have to do at AT&T so it works for me?
Would a AT&T sim card work in a T-Mobile Sidekick? if so, is there any special thing I would have to do at AT&T so it works for me?
