3rd blackberry curve replacement in 2 months!!?

[simone m]

ok so my first one the track ball stop going left and also the phone would turn of during calls, so i was sent out a replacement, so blackberry number 2 which orange-network sent out would just switch off when i would go on the internet with it, so this morning i recive my 3rd phone which is now not displaying me any other browser other then hotspot browsing, what is it with the blackberry curve?? should I just ask if they can change my phone as i am contracted with orange for another 10 months or should i stick by blackberry and hope that i get a troublesome free blackberry from them