Blackberry bold 9700 o2 minor fault swap for any BB ?

Blackberry bold on the o2 network its not blocked i gurantee that however when i am calling someone the phone freezes and turns off. You can send texts etc...However when using some programs i,e, forwarding videos or making calls the phone freezes and turns off then restarts again and until you make a call it dont turn off. This may be a little minor problem...I provide a charger with it only...Also the camera does not work for some reason i am being as honest as possible it may need a hardware upgrade from what i see as i write the problem on google... Need it gone asap OFFERS...Swap for a blackberry but i may take cash on top depending on the blackberry Call or text on 07900334459 for more APPLE IPHONE 4S 16GB IN BLACK ON ORANGE NETWORK BRAND NEW- NEVER BEEN USED. 370 OR NEAR OFFERS. CONTACT : 07429 815795 CASH ON COLLECTION SONY ERICSSON SATIO PHONE FOR SALE Brand new, in original packaging Comes with cables and headphones Please contact me for more information Great condition apple iphone for sale. Just been bought a new iphone4 for my birthday and so am selling this one. Couple of scratches on back but otherwise perectly good. Used for a few months. The phone is in excellent condition and is unlocked. I have got all the receipts and original box This is the newer version with faster processor any questions call or text on 07880807758