If you ever experience this on your Phone 4, avoid gripping it in the lowerleftcornerin a way that covers both sides of the black strip in the metal band, or simply use one of many available cases.
Pressure has been building for Windows 8 PCs to launch the familiar desktop view when turned on -- and to bring back the "start" button featured in the lowerleftcorner of the screen in previous releases.
There in the lowerleftcorner was Tsarnaev walking around a corner, his backward white baseball cap standing out amid the dozens of panicked people fleeing.
In an open letter Friday, Apple tried to clear up some things about the iPhone 4, which went on sale last week. iPhone users had reported their new phones could drop four or five bars used on the display to indicate signal strength when gripped in a way that covers the lowerleftcorner of the phone.