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New Amazon Kindle Fire HD gets rooted with an old expoit

by on September 18, 2012 12:30 pm
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The big talk around Android regarding the Amazon Kindle Fire HD is that the bootloader can't be unlocked. For regular people who don't intend on doing some serious hacking on their Kindle Fire HD, this doesn't mean all that much. If you like to run at the bleeding edge of Android development, though, an unlocked bootloader is much more important. The first steps to get a bootloader unlocked have been taken, as the Kindle Fire HD already has root.

That's not bad for a tablet that is still in the pre-order stage of its life cycle. Even if it were already released, you cannot do much with root access just yet. It is also worth noting that there is no custom recovery like ClockworkMod or TWRP available yet. So, essentially, there won't be any ROM flashing going on after this method, you'll simply have root access.

How do I root the Amazon Kindle Fire HD?

To start, you will need the Android SDK installed on your machine as well as some knowledge about simple command line actions like changing directories. From there, you'll need the root files, which you can pick up from the root thread over at RootzWiki. After that it's a matter of entering in some commands in your Terminal or Command Prompt –depending on if you have Windows or Linux– and installing root.

You can read the steps in the RootzWiki thread linked above, but if you'd like a sneak peak at what you're up against, here it is. We should mention that any harm that would befall your device is your responsibility and yours alone:

adb shell
rm -r /data/local/tmp
ln -s /data/ /data/local/tmp
exit

adb reboot

adb shell
echo 'ro.kernel.qemu=1' > /data/local.prop
exit

adb reboot

adb shell mount -o remount,rw /system
adb push su /system/xbin/su
adb shell
chown 0.0 /system/xbin/su
chmod 06755 /system/xbin/su
rm /data/local.prop
exit

adb reboot

adb install Superuser.apk

Despite the long list of commands, this root method actually isn't overly difficult. In English, you'll be deleting a few files, linking a few files, adding the ro.kernel.quemu=1 variable into the local.prop, mounting the system, pushing the SU files onto the Kindle Fire HD, then installing the Superuser application.

If you are not a fan of ADB or are too overwhelmed, never fear. Now that there is a method, it is only a matter of time before someone creates an automated process. Once the device is released, developers can also get started on custom recoveries for flashing ROMs and unlocking that pesky bootloader. Does having root make the Kindle Fire HD a more attractive sale? Let us know in the comments!

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Amazon Kindle Fire HD
Comments
  • Mak D’Uniq

    Just put galaxy tab 7.7 in 7″ list :/

  • Eric

    Yeah, android drain battery much faster than iOS, to be fair though, it is much more powerful too with multi-tasking. It is annoying though as my android phone needs to be charged everyday otherwise the battery will runout in the middle of the day…

  • mjolnir

    disheartening? yes, but we do get a more advanced OS, iOS does so little compared to JB4.2 of course it uses less power…

    • http://twitter.com/KrRay03 Kaushik Ray

      totally satisfied with my Note2…too awesome to resist..!!!!

    • Jared Persinger

      I’m on 4.1.1 and it’s preatty sweet

  • HellG

    The problem with this that every single review i saw the Nexus 10 had more battery life than the iPad 4…i wonder why its not in the list ;)

    • NicholasMicallef

      it is… and it performed horribly apparently… I’m sure all those reviewers must be liars

    • a22matic

      I own the Nexus 10, and I’ve been impressed with the battery life so far. Yesterday I used it for 8+ hrs streaming, YouTube, surfing the net, ect. When I finally plugged it into the charger, I had 48% battery life left. I can say I adjusted my brightness during that time, so that’s the only adjustment I made.

    • carlisimo

      No, the reviews say the Nexus 10 has more battery life relative to battery capacity. i.e. the Nexus 10 has 70% the capacity but 80% the life (those aren’t the right numbers, but it was something along those lines).

      The Cortex A15 is more powerful than the iPad’s A6X, but also thirstier. It gets used a bit during browsing tests (all that Javascript). The iPad’s GPU is more powerful than the Nexus 10′s, so you can find tasks that drain its battery faster than the N10′s.

  • John Cummings

    No Galaxy Tab 7.7 ?? This “Report” is Disheartening.

  • Ed Baker

    Wish I hadn’t seen read this.. Till now my tab 2 has always lasted longer than the wife’s Kindle fire and held it’s own against my son’s new nexus 7. Now I am going to have to adjust my setting to get under 10 hours of continuous battery life. I have stream music/video all day long and use it non stop for everything. I think this study needs to be studied.
    Do the radios run the same stream vs download across all platforms.? If the hardware doesn’t work the same, then they can’t be be compared. Even if the program results are the same…. Example… Compare the fuel use of a plane and a car…..

  • http://twitter.com/psthomas270476 Paul Thomas

    Why on earth didn’t the Acer Iconia 510 get checked, I have one and it outdoes my company iPad easily

  • cnxsoft

    It would also be interesting to compare different Android browsers.

  • Scorpineo

    Of course the ipad is going to do best, it can’t do true multi-tasking.

    • RarestName

      I can, I use Backgrounder all the time.

    • http://www.facebook.com/adam.eldin.7 Adam Eldin

      I like android, but god shut up people if you pay twice the price then you get an hour more battery life. My nexus 7 never went below 30%, past 6 or so hours battery life is so good it is irrelevant

  • Scorpineo

    I could get longer battery life if I turned off my live wallpapers, but they look so pretty!

  • Scorpineo

    Why don’t you guys do your own battery tests? Do you do any original journalism?

    • http://twitter.com/KrRay03 Kaushik Ray

      Totally agree..Y dont Android authority perform some of these test.. I really think u guys have the potential to make it more realistic rather than just depending on which..

    • kascollet

      + 1000 !

    • http://www.AndroidAuthority.com/ Darcy Alexander LaCouvee

      You are all too right. We cover a lot of stuff, and do our own featured journalism, op-ed’s, device reviews, device VS, app reviews, event coverage, and much, much more. I’ll make sure we get a nice thorough piece and video on this done right away.

      I believe the Nexus 10 could dethrone the iPad 4 from what I have seen, and let’s be frank – Android devices are capable of so much more than their “i” equivalent counterparts.

      • Scorpineo

        That’s great! Can’t wait to read it. Android sites need to start doing their own benchmarks instead of leaving it up to the iFanboy sites to do it and skew the results in Apple’s favor (cough, ENGADGET, cough).

        Everyone is biased, so somewhere in between their results and our results, will be the truth. Problem is, few Android sites do their own testing and benchmarks. So, the truth is deceptively leaning in Apple’s favor.

        I could design a benchmark battery rundown test that uses Google’s JS benchmark tool and totally make Android get awesome numbers in battery life. Likewise can be done for iCrap terds.

  • http://www.facebook.com/georgealexiouvalentey George Av

    ahahahahah ishit 4? 811 minutes my brother can only get hours out of it before it warns you about battery!

  • http://www.androidradar.de/ Leif

    Web Browsing is the least often thing I do on a tablet so it doesn’t really say much.

    • kascollet

      Now that’s a weird use case !

    • vampyren

      LOL i didnt know people used their tablets for serving coffee now days :D

  • http://www.facebook.com/Ausy13 Austin Cooper

    If a tablet can make it through a normal day’s usage, that’s plenty enough for me. I’ll just plug it in over night. My Nexus 10 easily gets 2 days for my usage. I don’t find the battery life at all lacking. Besides, Android is a much more useful OS on a tablet.

    • http://www.facebook.com/Ausy13 Austin Cooper

      After 24 hours on battery with 2 hours screen on time, my Nexus 10 still has 67%

  • kascollet

    Those number seem as irrelevant as the smartphone one’s (last link of the post). Check Anantech’s much more realistic results (including real brightness calibrating for example). The Nexus 10 scores much better vs the iPad (and the iPhone 5 vs the GS3).

  • Kevin

    my prime only lasts like 5 hours without a keyboard? wow, that’s amazing seen as it hasn’t been charged for 3 days and still has over 85%.

    • Kevin

      an yes i know thats standby time, but the other halfs ipad is about the same, so surely in use it cant be that much different! but hey.

  • Josh York

    Just me, or strange title to article. I can’t get it to sound right. LOL

  • jeremy

    i mean really who cares anyway. we have a nexus 7 and a galaxy tab 10.1. i can honestly not think of one single time when i was like man i wish this battery lasted longer. i use my tab 10.1 everyday, but only charge it 1-2 times per week. same with the nexus 7..

  • Rory@Which?

    Hi Android Authority,

    This is Rory Boland from Which? – the organisation who carried out the tests. Thanks to Android Authority for picking up this story.

    I wanted to address a couple of the questions. The Sony in question is indeed the Sony Xperia Tablet S and in the 10 inch category we included a selection of tablets that are 9.4 inches or larger.

    While the iPad was the standout winner it’s worth mentioning that a number of Android tablets ran substantially longer than the average we clocked for 10 inch tablets – the Galaxy Tab 2 for example.

  • thepeddle

    The Fact that the Ipad3 was mysteriously omitted makes this test the most fishy. Seeing how Apple is discontinuing the Ipad3 but will keep selling the Ipad2. Coincidence?? A test ran by Apple to show that their Tablets are the best in Battery life while omitting the very Tablet only that they are no longer going to sell?? Sounds a little too convienent for an unbiased test.

    • carlisimo

      Are you being sarcasting?

      They tested the models that are still being sold. That’s completely normal.

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