That thin black bar seen on the bottom left corner of the iPhone 4 caused a number of issues for Apple in the early days of the smartphone launch.
The problem for some people appeared when holding the phone in the left hand. When the hand bridged the gap over that black bar, the signal dropped dramatically when out on the fringes of a network. Apple responded by giving away a free bumper or 3rd party case to all iPhone 4 owners. [Read more…]