ok. now, let's go back to the basics:
1. did you change the canopy settings? how?
2. did you tweak using cablenut or tcp optimizer?
2. post your location, distance from smart cellsite
3. tell us your operating system and the softwares you use with regards to:
a) anti-virus, anti-spyware/malware/adware
firewall
c) browser
d) any other software installed which might have affected your speed.
post your answers to those questions. i'll try to help. hope others will too.