Here is a detailed step-by-step guide on how to set up CSD (Wireless Internet) and GPRS (Wireless Internet Express) on a Cingular Wireless Sony Ericsson T616 phone.

=== CSD on T616 for Cingular Wireless ===

- From the main menu go to the lower left corner and select "Connect"

- In the Connect Menu select 6th down “Data Comm.”

- Select “Data Accounts”

- Select “New Account”

- Select “GSM Data”

- Type in: CSD

- Phone number: 14152441012
- User ID: WAP@CINGULAR.COM (Upper Case)
- Password: CINGULAR1 (Upper Case)

- Save the account

- Edit the Account after it's been saved

Make sure these settings are the same:
- Password Request: Off
- Data Rate: 9.6 Kbits/s
- Dial Type: ISDN
- DNS Address: (Leave Empty)

- Return to the Main menu and in the lower left corner select “Connect”

- In the Connect Menu select “WAP Options”

- Select “WAP Profiles”

- Select “New Profile”

- Type in: Cingular CSD

- Connect Using: CSD *This is the data account we created
- IP Address: 066.209.011.061
- Save the profile

- Select “Cingular CSD” profile and press Edit (right side menu button)

- Select “Advanced”

- Select “Change Homepage”

- Name it: Cingular
- Enter the address: http://device.home

- Select “User ID”
- Enter your ID from www.mywirelesswindow.com. If you don't have an account create one.

- Select “Password”
- Enter your Password from www.mywirelesswindow.com. If you don't have an account create one.

- Security: Off
- Show Pictures: On

You have created a CSD account for Cingular wireless on your T616.

=== GPRS on T616 for Cingular Wireless ===

- From the main menu go to the lower left corner and select “Connect”

- In the Connect Menu select 6th down “Data Comm.”

- Select “Data Accounts”

- Select “New Account”

- Select “GPRS Data”

- Type in: GPRS

- APN: wap.cingular (lower case)
- User ID: WAP@CINGULARGPRS.COM (Upper Case)
- Password: CINGULAR1 (Upper Case)

- Save the account

- Select “GPRS”

- “Edit” your account

- Pw. Request: Off
- Allow Calls: Automatic
- IP Address: (Leave Blank)
- DNS Address: (Leave Blank)

- “Advanced Settings”
- Authentication: Secure

- Return to the Main menu and in the lower left corner select “Connect”

- In the Connect Menu select “WAP Options”

- Select “WAP Profiles”

- Select “New Profile”

- Type in: Cingular GPRS

- Connect Using: GPRS *This is the data account we created
- IP Address: 066.209.011.061
- Save the profile

- Select “Advanced”

- Select “Change Homepage”

- Name it: Cingular
- Enter the address: http://device.home

- Select “User ID”
- Enter your ID from www.mywirelesswindow.com. If you don't have an account create one.

- Select “Password”
- Enter your Password from www.mywirelesswindow.com. If you don't have an account create one.

- Security: Off
- Show Pictures: On

You have created a GPRS account for Cingular wireless on your T616.

Special thanks to breaux124 at HoFo.