APPLE IPHONE 4S WHITE UNLOCKED SELL OR SWAP FOR S2 S3 PLUS CASH ?

APPLE IPHONE 4S WHITE UNLOCKED BOXED WITH EVERYTHING CAN THROW IN A CASE IF FLL PRICE GIVEN I WANT A S2 PLUS 120 MY WAY CONSIDERING IT IS GOOD OR I WANT TO SELL FOR 290 CONTACT 07934594656