I Can't send MMS and can't access Internet Explorer

It seems your phone is trying to access Internet using connection settings for previous US operator. Did you make all the settings for your local network (Start > Settings > Connections > etc.)?

a guide how to do it

1. Start, Settings, Connections, and then tap the Connections Icon
2. Under "My Work Network" tap Add a New Modem Connection
3. Name it Picture Messaging and under Select a modem select (GPRS,3G)
4. Under Access Point Name type: ____________ (ask your cell company)
5. Username, Password, and Domain is left blank and then click Finish
6. Now, go into Proxy Settings and check "This network connects to the Internet" and check "This network uses a proxy server to connect to the internet"
7. Under the Proxy Server box type: _________ (ask your cell company)
8. Tap the advanced button and tap on the HTTP line. Make sure the HTTP settings shows __________ (ask your cell company)
9. Click the OK button a few times to get out of the settings completely.
10.Now go to Start, Messaging, Menu, then Options, Advance, then Click Manual, and then the Edit button
11. Message center number _________ (ask your cell company)
12. Email center number is _____ (ask your cell company)
13. MMS gateway address is ___________ (ask your cell company)
14. MMS URL is http://xxx.xxx.xxx.xxx/servlets/mms (ask your cell company)
15. Finally under Network Profile select: My Work Network and then click ok.

To access internet via Internet Explorer, you need the correct GPRS/WAP settings to tell it to use the right APN.

Try the settings listed here:

http://smart.com.ph/corporate/support/FAQs/GPRS+and+MMS+settings.htm

To set up a new GPRS connection profile use this:

http://www.microsoft.com/windowsmob...-cellular-grps-internet-connection-touch.aspx