It seems like everyone is making smartphone screens more useful when they're off, and LG's attempt is called Knock Code. This feature lets you securely wake and unlock the device with a series of taps on the screen while the phone is asleep. No need to buy a new phone, though. Knock Code is rolling out the the AT&T LG G2 via an OTA update right now.

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Knock Code basically splits the screen into quadrants, allowing you to set a pattern of taps that will automatically wake up the device and bypass the standard lock screen. Neat, right? The OTA also includes some improvements to calendar/Exchange Active Sync, but be honest, you don't care about that.

The update (version D80020u) requires WiFi and should reach all devices soon. AT&T also seems to indicate you can check for updates in the system settings to pull down the update.

[AT&T, +Wade Jesick]

Ryan Whitwam
Ryan is a tech/science writer, skeptic, lover of all things electronic, and Android fan. In his spare time he reads golden-age sci-fi and sleeps, but rarely at the same time. His wife tolerates him as few would.

He's the author of a sci-fi novel called The Crooked City, which is available on Amazon and Google Play.

  • Thatguyfromvienna

    That font! My eyes are bleeding!

  • nxtiak

    Is that the default font? It's horrible. My friend uses a font that looks like Comic Sans on his Note 2. ugh.

    • http://about.me/barrae Maximiliano Barra E.

      "Choco cooky". *shrugs*

      • sharon rikkileah

        aah ha ha OUCH! 😱 Whada'ya'll have against different fonts? lol i love the Choco Cooky font!
        an that's not it, nor does it look like Comic Sans, also i like 😋 lol. Phat Boi is cool! ((pic below is Phat Boi font)), i love changing my fonts 😋 lol. i really wanna learn to root my phone tho!
        anyone know of simple root directions???
        ~ Riki 😎

    • WhoaManWtF

      It is not the font on my G2 and I never changed it sooo I am going with no..

  • Simon Belmont

    Ugh. Dat font.

    Reminds me of Comic Sans. But even worse.

  • Chris Webster

    ABOUT TIME! Man, I was spoiled by my Nexus 4 more than I thought

  • BC

    Well I hope T-Mobile is going to have a similar update in the works for the LG G2 soon, as I would really like to try it out.

  • BatJake

    Will I lose root if I install this update?

    • Quinn White

      Bump. I am new to rooting and wondering the same thing

    • Jason Hamilton

      Almost always.

      There have been rare occasions that a smaller update like this wouldn't kill root, but they typically do. I would give it a day or two and see what people are saying at XDA. Sometimes the root-keeper type utilities will work, it just depends on what exactly they changed in the update.

      • BatJake

        Okay, thank you!

  • Fatal1ty_93_RUS

    DAT MS Paint skill tho

  • Bryan Pizzuti

    "The OTA also includes some improvements to calendar/Exchange Active Sync, but be honest, you don't care about that." As a matter of fact, I do. More details please.