Sprint network severely impacted along entire 680 corridor. Phone was inspected and verified to by working by Sprint Tech at Sprint store on September 6 at aprox. 2:20 pm. Every single call drops after aprox. 15 seconds. 3G indicator on phone flashes on and off. Web pages take 2-3 minutes to load. Email does not push, email access is extremely intermittant. Problem ongoing and worsening over last 10 days.