Help with the Blackberry Curve for Nextel (8350i)?

by D.Clow - Maryland
Question by Missy: Assist with the Blackberry Curve for Nextel (8350i)?
I just got this mobile phone over the weekend and I have been missing a lot of texts or they have a rather extended delay on coming in (like maybe an hour). Also, I downloaded some applications such as Pandora, Google Maps, Yahoo Messenger, and so on. but none of them will perform. My internet is operating, but I have not been capable to use the Wi-Fi do I need to have to use the Wi-Fi for these

google blackberry maps ...