Iphone increased dropped calls after 3.0 upgrade

I really do not understand this.  But for some reason, I’ve been dropping more calls, and the quality of my calls seems to have degraded.  I when I first upgraded, I tried to make a call and it sounded noisy like I had an analog connection.  At first I thought perhaps since the baseband was upgraded, it just needed to re optimize the locations of towers. Well, 24 hours later, I have already dropped 4 calls!  What the heck?

I did a search on google and found nothing, so this could be some local issue, but 4 dropped calls in 24 hours???   I’m going to give this a few more days.  If things do not return to normal then perhaps some extended testing is required.

Has anyone else experienced this?

{Update … I posted an old article here on reducing dropped calls.  Hope this helps.  }

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