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New Android 4.4.2 build spotted in the wild – KJT49K

Posted at 07 January 2014 14:10 CET by Jan Willem Aldershoff

Android build ( KJT49K) has been spotted in the Chromium issue tracker. The build is running on an Hammerhead (Nexus 5) device and according to the reporting user is another Android 4.4.2 build. The same build number can also be found on websites that track user agents. The user agent is a string which identifies the used browser and OS and is send with all web page requests.

myce-android-KJT49K

Starting with Cupcake, individual builds are identified with a short build code like KJT49K . The first letter is the code name of the release family, e.g. K is Kitkat.  The second letter is a branch code that allows Google to identify the exact code branch that the build was made from.

The next letter and two digits  (T49) are a date code. The letter counts quarters, with A being Q1 2009. Therefore, T is Q4 2013. The two digits count days within the quarter, so T49 is November 18 2013.  Finally, the last letter identifies individual versions related to the same date code, sequentially starting with A. So K is the eleventh version of that day.

Google states on their website that the date code is not guaranteed to be the exact date at which a build was made, and it is common that minor variations added to an existing build re-use the same date code as that existing build.

Discuss this in our Android Forum.

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There are 11 comments

Wombler
Administrator & Reviewer
Posted on: 07 Jan 14 23:35
    Interesting.

    I've had Android 4.4.2 build number KOT49H on my Nexus 7 (2013) for quite some time now which according to that methodology would seem to be the same date but an earlier version.

    It was updated very soon after the first KitKat update.

    I wonder what the differences are?


    Wombler
    aedipuss
    MyCE Rookie
    Posted on: 08 Jan 14 23:43
      don't know but it was most likely a mistaken release. the reporter is part of the chromium team and most likely has a dev unit build.

      we may get a 4.4.2 nexus update soon to fix the flac playback problems.
      coolcolors
      MyCE Resident
      Posted on: 09 Jan 14 15:09
        Still waiting for my Android O/S update but so far I haven't gotten message there is a update for it.
        Mr. Brownstone
        MyCE Resident
        Posted on: 31 Jan 14 16:16
          Differences between 4.3 and 4.4

          The battery indicator is now grey instead of green

          (HTC One)
          Wombler
          Administrator & Reviewer
          Posted on: 01 Feb 14 16:42
            Quote:
            Originally Posted by Mr. Brownstone
            Differences between 4.3 and 4.4

            The battery indicator is now grey instead of green

            (HTC One)
            I thought it was far clearer (and more attractive looking) when it was coloured.

            I must admit I thought at the time I upgraded, that I can't see the logic behind changing this.


            Wombler
            Mr. Brownstone
            MyCE Resident
            Posted on: 03 Feb 14 21:18
              Quote:
              Originally Posted by Wombler
              I thought it was far clearer (and more attractive looking) when it was coloured.

              I must admit I thought at the time I upgraded, that I can't see the logic behind changing this.


              Wombler
              Agreed i also cant see any os changes apart from this no joke, havent noticed any speed increases maybe as i always have power saver mode enabled?
              Wombler
              Administrator & Reviewer
              Posted on: 05 Feb 14 14:22
                I had a problem with one of the core Google apps not sleeping properly and affecting battery life but this thankfully was fixed with the update.


                Wombler
                roadworker
                MyCE Resident
                Posted on: 05 Feb 14 14:45
                  Quote:
                  Originally Posted by Mr. Brownstone
                  Differences between 4.3 and 4.4

                  The battery indicator is now grey instead of green

                  (HTC One)
                  And another thing changed,IMHO,much more important....

                  my reason to stay on 4.3
                  roadworker
                  MyCE Resident
                  Posted on: 03 May 14 00:18
                    Quote:
                    Originally Posted by roadworker
                    And another thing changed,IMHO,much more important....

                    my reason to stay on 4.3

                    I have to retract my statement......I'm also on 4.4.2 now,OmegaDroid version.....
                    But in my defense,Xposed Installer has the excellent AppOppsXposed module,which can take care of those app permissions in KitKat....
                    Wombler
                    Administrator & Reviewer
                    Posted on: 04 May 14 21:26
                      Quote:
                      Originally Posted by roadworker
                      I have to retract my statement......I'm also on 4.4.2 now,OmegaDroid version.....
                      But in my defense,Xposed Installer has the excellent AppOppsXposed module,which can take care of those app permissions in KitKat....
                      Glad to hear that worked out well for you but 4.4.3. is expected to be on the way very soon now.

                      http://club.myce.com/f198/nexus-7-al...potted-335787/

                      Does that app requires root access?


                      Wombler
                      roadworker
                      MyCE Resident
                      Posted on: 04 May 14 22:20
                        Quote:
                        Originally Posted by Wombler
                        Glad to hear that worked out well for you but 4.4.3. is expected to be on the way very soon now.

                        http://club.myce.com/f198/nexus-7-al...potted-335787/
                        THX Wombler!I'm pretty confident that OmegaDroid will cover 4.4.3 too....

                        Quote:
                        Originally Posted by Wombler
                        Does that app requires root access?
                        Yes it does....but it opens a whole new dimension of android.....

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