21
Aug
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Update: Multiple confirmations now that this update is indeed happening. Commenters and some well-known XDA users are getting JWR66Y. It's still looking like a minor security update and nothing more.

Update 2: The 3G Nexus 7 (2012) is getting the update as well. Not only that, the OTA update link has been spotted. This is the Nakasig version, remember. The WiFi variant is Nakasi, and no news on that yet.

Yesterday T-Mobile posted scant details regarding a mysterious Android system update for the Nexus 4 with the build number JWR66Y. Then the Galaxy Nexus started seeing the update. Now it looks like the update might have hit at least one Nexus 10. Unfortunately, we still don't know what the heck it does.

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T-Mobile only listed "Security" under the improvements header. So, presumably it's patching some manner of system exploit that was discovered. This doesn't increment the Android version either – it's still just 4.3. We haven't yet been able to positively confirm any more instances of this update, so remain skeptical. No sign of the update on any Nexus 7 units as of yet, but we'll keep our proverbial ears to the ground.

So if you have a Nexus 10 and care about this sort of thing, start mashing the update button. No promises, though.

[Thanks, Cole and Julien]

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. http://goo.gl/WQIXBM

  • Arpit Mittal

    just checked my Nexus 4 & Nexus 7, the build number is JWR66Y on both, don't when did it updated. I never got an update notification. I am in India.

    • Ashutos Don Jain

      Can you give a SS of nexus 7 running JWR66Y ? @9b44fe250b54a01b1a8ff71687e3b470:disqus

      • Arpit

        Oops, Sorry guys I messed up. i have JWR66V, the last alphabet got me. Sorry its both with my Nexus 4 & 7.
        Sorry guys.. it was too similar.

        @Ahutos, thanks for asking screen shot, when i compared the screen shot i found my mistake.

        • Ashutos Don Jain

          no prob ;)

  • Arpit

    @Admin : I want to recall my post. I got over excited and mis-read the things.

    • shonangreg

      You can edit your post. You can even wrap "strike" tags around words to make them disappear forever to make it clear you made a mistake.

      "less than"strike"greater than"struck text"less than""forward slash""strike"greater than"

      • ThaSik1

        Just checking to see if I did it right

        Edit: Yayy!! TIL how to strike messages thanks to you my good Sir! :)

        • mustbepbs

          This isn't Reddit. You don't TIL anything around here ;)

      • Mike Harris

        I've been wondering about using tags, but I didn't realize they were simple html tags. I thought maybe they were similar to BBcode. Your post finally pushed me to find this.

        Now I'll be able to finally add the emphasis I've been wanting to use.

  • Julien Humbert
  • DodgerDroid

    i just received a notification that a system update was downloaded on my nexus 10

    • DodgerDroid

      Here is the screenshot

  • Joe Bertolino

    The 4.3 for my Nexus 10 completely crippled my device. I did a factory reset which seemed to help but the fact I had to do that at all is disappointing.

    • mikeym0p

      It happens with every Android version bump. They release bug fixes along the way, it'll get better.

    • ThinkForYourselfQuestionAuthor

      Beware to those who may update. I have a stock rooted Nexus 10 and just did this update about 20 minutes ago and it caused my tablet to get stuck on the "No Command" screen on boot.

      Strangely, it randomly rebooted past the "No Command" screen a few minutes later, but now my tablet runs HORRIDLY slow, whereas it was silky smooth before.

      Just a friendly heads up. Looks like I'm going to have to do a Titanium Backup and factory reset :(

  • Thomas Cai Jinzhan

    guess it's an obvious question but i guess i have to revert back to stock kernel for the OTA patch to work right? I'm my franco kernel #75 on my nakasig right now.

  • s

    My Nexus 4 just got updated to ....Y :)
    Can't see any other difference

  • DASE

    I got that update yesterday on my Nexus 7 (not the 3G version). It does say JWR66Y.

  • computermacgyver

    Just got the update on the Nexus 7 (original) and came here through Wikipedia/Google wondering what was going on....