ok i got reply from o2 you need to manually edit settings to these if your a pay&go customer with a n900 as the n900 is not on there portfolio of devices they cant send them over sms APN address: payandgo.o2.co.uk Gateway (IP) address : 193.113.200.195 Username : payandgo Password: password Session type: Continuous or permanent Authentication: Normal Security: Off Port number: 9201 you can set ip address to auto and leave port number blank, only settings i edited was APN, username and password and all works now on n900