try the following settings for MMODE:
(remember to create a NEW profile, don't edit an existing one

)
Name: MMODE Internet
Homepage:
http://home
Proxies: Enable
Primary proxy address: 010.250.250.054
Primary proxy port: 8080
Secondary proxy: <keep it as is>
Data Bearer: GPRS
Bearer Settings
GPRS Access Point: Proxy
Authentication type: Normal
Login type: Automatic
User name: <blank>
Password: <blank>