How anyone can possibly be so daft to actually believe that the iBumper wasn't intended for a band-aid fix for what is obviously a HW defect of Job's "groundbreaking" aerial antenna design is pretty funny.
Are we supposed to believe that this few mm thick, mass produced cheap ass band of silicone would really prevent your iPhone4 from receiving any significant damage should it be dropped?
From what I have heard from many of my friends that bought the iPhone4, the AT&T sales reps were pushing this band as if it were as necessary as the phone charger itself.
Also, I love the whole attitude of "mine isn't dropping a signal & working fine, hooray for me!, screw you".
A mobile phones first & foremost priority is making & receiving calls, & if you actually think that after all these years of progressive mobile telephony, YOU need to conform to an "Apple Approved" method of holding your phone, you are indeed deluded.
I have owned so many mobiles over the past 10 years from Nokia, Motorola, Samsung & 2 iPhones,I have never once had to cradle my device in a special fashion as if I were afflicted with some type of palsy, I will not let Apple dictate how I hold my mobile, for FFS.
So long Apple....& note to Jobs:
When this fiasco over the aerial antenna eventually blows up in your smug face, run to the round house, they can't corner you there.