Since no one cares I'll post it here:

ONE data account:-


Go to Connectivity
Data Communication
Data Accounts
New Account
PS Data
Give it a name - Three
APN - three.co.uk
Save



2 Internet Profiles:

1st Profile: Three WAP for browsing-

Go to Connectivity
Data Communication
Internet Settings
Internet Profiles
New Profile
Name - Three WAP
Connect Using - Three (named earlier)
Use Proxy - No
Save

Highlight and Select More
Advanced
Change Homepage
Name - 3 Services
Address - ht tp://mobile.three.co.uk/hb/K800i/HutchKey
(case sensitive)
Save


2nd Profile:

Go to Connectivity
Data Communication
Internet Settings
Internet Profiles
New Profile
Name - Three MMS
Connect Using - Three (named earlier)
Save

Highlight and Select More
Settings
IP Address - blank
use proxy:yes
proxy address: mms.three.co.uk
port number 8799
no username or password
Save
Highlight and Select More
Advanced
Change Homepage
Name - MMS
Address - http://mms.um.three.co.uk:10021/mmsc
Save

Then finally:

Go to Messaging
Settings
Picture Message
Validity Period - Network maximum
Read Report - Off
Delivery Report - Off
Content Alert - On
Auto Download - Always
Accept Messages - (Select All)
Message Server - http://mms.um.three.co.uk:10021/mmsc
Internet Profile - Three MMS

(case sensitive)


Found it @ Need 3 UK Settings for K800i : GPRS, WAP, MMS and Email setup : Sony Ericsson @ Esato Worked for my k610i@w660i...