If you haven’t heard the Iphone 4 has some reception problems when using your full hand to hold the phone then now you know. This is because Apple designed the phone to use the case as an antenna. If you know how wireless signals travel you know they don’t travel well through peoples skin and not very well if a majority of the antenna is covered up. Well turns out that some people’s hands are big enough to cover a majority of the phone up when holding it next to their ear. Her is a handy sheet that gives tips on how to hold your phone when making calls with the Iphone 4.