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I had way more dropped calls with my 3gs I basically couldn't even use my 3gs in my house and haven't had a problem with my ip4
 
When talking iP4 to iP4 when my mom is on the road, the call dropped about 4 times in the span of about 8 minutes. She got frustrated. I assume it's on her end in her small town because I didn't see my bars drop. Mine was on my table b/c I use my BT when talking.
 
Never had dropped call in areas I use phone. Just one time at home I dropped one call. No problem at all. I've at least one dropped call with every phone which is normal.
 
I upgraded from a 3g, I cant recall any dropped calls. I have had my iPhone4 since launch date, I purchased a $15.00 Rocketfish case from Best Buy 2 bays before the phone arrived, and hasnt been off the device since.

I did peel the case off to test for antenna attenuation, and only lost 1 bar pre/post the I0S4 update.
:)
 
I've only dropped one call with the iPhone 4 (both parties were using a iP4) in the time I've owned it (since the day before official launch). My 3G would've dropped many calls in the same time period.
 
no...my 4 actually drops less. 2 spots on my daily drive home that dropped calls with my 3gs. the 4 does not drop in those same spots
 
Not only does my 4 drop calls (with a bumper - although that helps), but it's searching for data too hard and my battery drains faster than most (I've troubled-shooted that to death).

I rarely had a dropped call with my beloved 3gs (which is in someone else's hands now).
 
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