Hello thanks for reading I have an older us cellular galaxy S mesmerize i500 tired od the contract thing and want to know is the phone able to be switched to straight talk I have see a few on line for sale that say they are using straight talk but why buy one when u got one great phone never had a problem with it, if it is able to switch how would it be done tried straight talk sent me a card to put in it but would not read card, said not all gal s phone would work just curious if anyone knows anything about how one would convert it to straight talk thanks again for reading any note would be helpful before I go and buy one thought I would give this a shot first.