Here ya go  :D  

O2 PAYG

1) Start>Settings>Data Connections>Menu>Edit Connections  

Dialup connection:  
Description: O2 CSD WAP  
Connects to: The internet  
Phone number: +447712927927  
User name: o2wap  
Password: password  
Domain: blank  

Proxy connection:  
Description: O2 WAP proxy  
Connects from: The Internet  
Connects to: Wap Network  
Proxy(name:port): 193.113.200.195:8080  
Type: HTTP  
Username:  
Password:  

GPRS Connection:  
Description: O2 GPRS Wap  
Connects to: The Internet  
Access point: payandgo.o2.co.uk  
Username: payandgo  
Password: password  
Primary DNS: 0.0.0.0  
Secondary DNS: 0.0.0.0  
I.P address: blank  

GPRS connection:  
Description: O2 MMS  
Connects to: MMS Network (or Work)
Access point: payandgo.o2.co.uk  
Username: payandgo  
Password: password  
Primary DNS: 0.0.0.0  
Secondary DNS: 0.0.0.0  
I.P address: blank  

In the main data connections menu.  
Internet connection: O2 CSD WAP  
Work connection : Automatic  
WAP connection: O2 GPRS WAP  
Secure wap connection: Automatic  


Start>Messaging>Media Messages>Menu>Options>Account Setup>Media Messages  
Menu- Edit connections - Menu- Add

Server: O2 MMS  
Download Messsages: automatically  
Outgoing message size: less than 100kb  
Allowed message types: personal  

Menu>Edit connections  

Description: O2 MMS
MMSC Address: http://mmsc.mms.o2.co.uk:8002  
Data Connection: MMS connection  
Gateway: WAP 1.0 Gateway  
I.P Address: 193.113.200.195  
Port: 9201  

In Internet explorer, Menu-Options-Connections  
Untick 'automatically detect settings'  
Make 'Select network: Wap network' (for WAP over GPRS) or 'Select Network: The internet' (for WAP over CSD).