The message box always shows up, you can just ignore it.
O2 UK Monthly Contract
Internet data
APN: mobile.o2.co.uk
Username: vertigo
Password: password
APN type: internet
MMS
APN: wap.o2.co.uk
Username: vertigo
Password: password
MMSC: http://mmsc.mms.o2.co.uk:8002
MMS Proxy: 193.113.200.195:8080
MMS Max Message Size: 307200
APN type: mms
O2 UK Monthly Contract
Internet data
APN: mobile.o2.co.uk
Username: vertigo
Password: password
APN type: internet
MMS
APN: wap.o2.co.uk
Username: vertigo
Password: password
MMSC: http://mmsc.mms.o2.co.uk:8002
MMS Proxy: 193.113.200.195:8080
MMS Max Message Size: 307200
APN type: mms