Not sure about your product. Is it from this company?:
They do offer a number of driver downloads:
This advice from the website may be the answer to your problem:
Can't receive and send MMS or can't connect Internet through GPRS
Different service providers have different setting for GPRS and MMS, such as server name, user name and password. You have to contact your service provider for the setting. Please modify or create a GPRS account according to your service provider's setting.
If you have problems:
Please always restore factory setting for the phone if there is any problem. If problem still exists, you need to contact your seller and ask for their help. If you bought the phone from us, please contact us by email, containing order number, model number, IMEI number, problem description (photos). We will solve the problem for you !
Shortcuts for phone settings
Change language: *#0044# + OK button for English, *#0034# + OK button for Spanish, *#0033# + OK button for French, *#00351# + OK button for Portuguese...
Check Version: *#8375#
Firmware version: *#8882#
Restore factory setting:*#66*#
Password for restore factory settings: 1122 or 0000