bought a unlocked D500/600 but need internet a MMS unlocked?

well as u all know i just bought a D600 off of ebay because i live in the U.S. and have a contract with cingular but cingular doesnt carry this phone. The phone was already unlocked off of ebay but the internet and the multimedia messages wouldnt work so i did some searching and found this code to unlock the D500 and tried it on my D600 and it worked.

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GPRS
Profile Name: Express
Home URL: http://device.home
Bearer: GPRS Only
Proxies: Enabled

Then go to GPRS Settings, dont worry about GSM settings they do not apply to us.

IP - 66.209.11.32
Port: 8080
APN: wap.cingular
User Name: WAP@CINGULARGPRS.COM
(All upper case)
Password: CINGULAR1
(All upper case)

Then Save the settings and your internet will work. Also be sure to sett your current proxy to this setting.

Now for MMS settings which I am sure you will ask after you get your internet working.

Settings Name: Multimedia
Homepage: http://mmsc.cingular.com
Proxies: Enabled
Version: 1.2 (295KB)

Then go to GPRS Settings.

IP: 66.209.11.32
Port: 8080
APN: wap.cingular
Username: WAP@CINGULARGPRS.COM (upper case)
Password:CINGULAR1 ( upper case)

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any questions feel free to email or PM me or post in this thread.

i also found the following companies as well:

Cingular WAP/MMS (Cingular Orange MEdia Net)
AT&T Wireless mMode WAP/MMS Settings
T-Mobile USA WAP/MMS Settings
or
samsung e730 + tmobile internet
Rogers WAP Settings
Fido WAP and MMS settings for D500 and D600