The two things I like the most about LG's implementation of Android are:

  1. The KnockON feature, which wakes up the screen by tapping twice on it with a reasonable degree of firmness. This is better than moving your fingers around to find the on/off button.
  2. The KnockCode security feature, which enables you to unlock the device by knocking four times in a certain pattern on the screen. This is a genius idea which I wish every smartphone had.

The KnockCode system has two main advantages:

  1. It's easier to perform for the user, because the "target areas" are much bigger than the numbers on a dial pad. This means you can do it while focusing your eyes on something else. You pretty much learn in a matter of minutes how to do this without looking at the phone.
  2. It's more secure to unlock when there are people around you who may be snooping to learn your four-digit PIN. They likely don't know exactly what's going on when you knock away at your code, because they don't see any numbers or much of anything else, for that matter. So they are probably assuming that there is no code and that you're just a little mad for tapping on a screen that doesn't show much anything.

Even if they see that you're tapping something, it may be more difficult to follow if you're double-tapping somewhere, and they don't see you go from one number to another. In other words, it's just harder for someone to see what you're doing.

Please, Google (GOOG) -- make this KnockCode functionality standard in the Nexus Android. Yes, it's really THAT good.

The other really good part of the LG software is that on this gigantic high-resolution screen, it fits more app icons than any other smartphone anywhere near its size. This helps a lot. It's better than LG's own Nexus 5, and it's certainly much better than Samsung's Galaxy S5.

On the bad news front, the notifications and settings are cluttered in comparison the Nexus. Perhaps it's Sprint's (S) fault, as the device I tested ran on Sprint, but it was difficult to keep the notification area cleared. LG's own Nexus 5 does not have this problem.

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