Apple iphone 4 32 GB not signal coming !

hi I bought this phone from gumtree three month ago it was working fine and work with 02 network but now its still working but i cant call anyone but mobile sim internat still working i spend 350 for this phone anyway ......give me a good offer email me and keep ur phone number and i will call u back thanks I am buying all no service/working abroad onli phones iPhone 4 and 4s and also the samsung Galaxy s3. I will cum to pick up the phone and pay cash on the spot Please call or text with the make of your phone the model the gig and the network the phone is I pod touch 2nd Generation 16GB Jail broken There are no scratches on the screen just minor scratches on the back of the ipod as usual. Comes with usb lead and box. no offers Pick only from PR1 8PP Hi I am selling my iphone 4 8gb phone due to me getting a samsung galaxy ace. It comes boxed and is unlocked to any network, comes with headphones, and a few random covers/screen protectors. Is in great condition with no scratches or wear and tear. Would post if necessary or can collect Email me if interested GREAT CONDITION SAMSUNG GALAXY TAB GT-P1000 - 16GB VERSION PLEASE NOTE THIS IS THE WIFI AND 3G VERSION AND IS UNLOCKED TO ALL NETWORKS - CAN BE USED AS A TABLET OR A PHONE (PERHAPS A BIT BIG TO LOOK SENSIBLE USING AS A PHONE BUT THE OPTION IS THERE AND CAN ALWAYS USE WITH A HANDSFREE KIT) RUNNING ANDROID 2.3 IDEAL FOR BBC IPLAYER, YOUTUBE, MOVIES, MUSIC ETC ETC COMES WITH USB LEAD ONLY BUT YOU CAN BUY A WALL CHARGER FOR ABOUT 5 BIGGER IN