You might probably wonder how I got this here if I can't get connected or maybe not, but still...
I'm the one that said SmartBro Plug It was terrible and after using it for quite some time I was kind of satisfied with its performance UNTIL NOW!
After I reinstalled my OS I can't connect using "that" but I was able to connect using dial-up (now you know how I got here

)
Here is my diagnostics (if this helps):
------------------------------------------------------------------------------
Modem Information
Modem name : SMARTBRO
At port : COM 8
Firmware version : LQA0007_213024_1.2.2W1024
IMEI : 357198014504394
IMSI : 515034200431629
------------------------------------------------------------------------------
Operator Information
PIN code status : READY
Network code : 51503
Network selection mode : Auto
Network mode : GSM
Signal strength : 87
------------------------------------------------------------------------------
Network Status
CS network registration : Registered,Home PLMN
PS network registration : Registration denied
PS network attachment : Detached
APN* SMARTBRO
Auth. Type (I don't know what's this) PAP
I contacted Tech Support but I wasn't able to get any good (or no) solutions.

(Yey! I have less typos!)