1. You should be using the "wifi browser."
2. You only need to add the network using the "Setup WiFi" icon.
3. Lower case uma means no BB data over wifi. This is normal if you don't have a BB data plan.
4. Faded wifi means no BB data plan. This is normal if you don't have a BB data plan.
Check out Main Page - BlackBerryFAQ
for more wifi/uma information.