AMAZING SAMSUNG GALAXY S 2 ON O2 NETWORK ONLY SELLING AS JUST UPGRADED ?

SELLING MY TOTALY AMAZING SAMSUNG GALAXY S 2 MODEL IN BLACK MY CONTRACT NOW UP AND HAVE NOW UPGRADED AND SELLING THIS ONE CHEAP FOR QUICK SALE... DONT MISS OUT..... ITS ON O2 NETWORK UNSURE IF IT CAN TAKE OTHER SIMS BUT CAN BE UNLOCKED FOR ONLY 15 IF YOU WISH TO HAVE THIS DONE..... PLEASE NO TIMEWASTERS OR SCAMMERS NO PAYPAL AND I WONT BE MEETING YOU IN ANY CAR PARKS ETC........ 260 (DONT HAVE CASH TO BUY DONT DIAL THE NUMBER) TEL ONLY 07596886196 (NO TXTS/EMAILS THEY WONT BE REPLYED TO)