IPHONE 4S 16GB WHITE UNOPENED ?

Iphone 4s 16gb white sealed. Unopen. Still sealed. Unwanted upgrade. Got iphone 4. So not fussed about s. got from orange but not opened so dont know if locked or not. Plus dont have any other sim to put it in. Call or text please. No email and no scammers and no paypal. Cash on collection only. Collection from Ayr. £450 ono