Activate Sun Cellular GPRS / 3G / MMS Settings

First, you have to activate your account by texting ACTIVATE to 2300

If auto config fails, here's how to manually input the connection settings for both GPRS/3G and MMS on the Sun Cellular Network:

For GPRS/3G Settings
    1. Tap Start > Settings > Connections [tab] > Connections
    2. Under My ISP > Tap create new modem connection
    3. Name it something easy to remember I use: Sun Internet
    4. In the drop down select: Cellular Line (GPRS,3G) tap Next
    5. Access point name: minternet
    6. Tap Finish
For MMS Settings
    1. Tap Start > Settings > Connections [tab] > Connections
    2. Under My Work Network > Tap create new modem connection
    3. Name it something easy to remember I use: Sun MMS
    4. In the drop down select: Cellular Line (GPRS,3G) tap Next
    5. Access point name: mms
    6. Tap Finish
MMS Settings under Messaging
    1. Open your MMS application and go to Settings/Options
    2. Under Server > add a new Server name it: Sun MMS
    3. Gateway: 202.138.159.78
    4. Port: 9201
    5. Server address: http://mmscenter.suncellular.com.ph
    6. Connect via: My Work Network
    7. Tap Ok and set it as default