Apply iPhone 3Gs on t-mobile ?

my phone all of a sudden 1 day stopped making or receiving text i rang my service provider and they said everything looked fine on there end! so i tried a different sim in it and it still never worked! selling as faulty but ALL FUNCITONALITY STILL WORKS AS A 8GB IPOD WITH CAMERA SO CHEAP EVAN FOR THAT Blackberry curve 9300 purple. Been totally wiped so like new condition. Was only used for 1 month untill I needed to upgrade. No marks or scratches. Comes with charger. FOR SALE IS MY UPGRADE BRAND NEW IN BOX SAMSUNG GALAXY S3 PEBBLE BLUE UNLOCKED I WILL PROVIDE YOU WITH THE PROOF OF PURCHASE WITH MY NAME AND YOU CAN COLLECT FROM MY FLAT IN NORTH LONDON CASH ON COLLECTION ONLY 400 AND NO OFFERS THANKS THIS IS A GENUINE SALE AND THE PHONE WONT GET BLOCKED AS YOU WILL BE PROVIDED WITH MY FOTO ID AND RECEIPT CALL ME ON 07788945777 hp windows ipaq phone any network and wireless silver gt one button missing that u dnt use anyway it was just a cover comes with usb cable will do swaps ask me the price is 100 bt can be lower Samsung Galaxy Apollo GT-I5800. Works on Virgin, T-Mobile, Vodaphone (possibly others but been unable to try) Although it is used it comes complete with power lead and all accessories. Still have original box too. Reason for sale is that I wanted an easier and simpler phone. I am happy to negotiate on price.