In an effort to compete with Samsung and its powerful Galaxy S brand, LG announced the G2 in the fall of 2013. The flagship smartphone was the company's first device to be released on every major U.S. carrier. In addition to high-end specs, the G2 stood out from the crowd with rear facing buttons and numerous unique software features. One of those features was KnockON, which allowed users to turn the phone's display on or off by simply double-tapping the screen.
The KnockON feature has since made its way to a number of other LG phones, such as the G Flex and the G Pro 2, with the latter also being the first device to include the company's new Knock Code feature. Using the same tapping action found in KnockON, Knock Code lets users set up a specific tapping sequence that can be used to unlock the phone.
(Credit: Screenshot by Dan Graziano/CNET)
If you opted to not set up a Knock Code during the device's initial setup process, the feature can be accessed in the phone's settings. Tap on the Display... [Read more]