Update Galaxy S3 I9305 to Android 4.4.2 KitKat With CyanogenMod 11 Custom ROM

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Usama M
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Samsung’s former flagship device Galaxy S3 is yet to receive Android 4.4 KitKat update. There’s a number of rumors suggesting this update to roll out in the first quarter of 2014, although the device is set to receive the update but Samsung hasn’t give any date officially yet. As long as there’s no official KitKat update for S3, the device owners may start feeling jealous form those running KitKat on their devices  and it may become harder for em’ to wait. Well, to finish your appetite we’ve something here today.

CyanogenMod 11 is now officially available for a number of devices and Galaxy S3 GT-I9305 is one of those lucky devices. In case you don’t know about it, CaynogenMod is an open source project aftermarket distribution of Android, and CM 11 is the aftermarket version of Android 4.4.2 KitKat. That makes the point clear now, you can enjoy Android 4.4.2 KitKat on your LTE Galaxy S3 using CM 11 custom ROM. In the following post we’ll be viewing a method that will help you to install it on your device. Before we move forward, you need to make sure that you’re familiar with custom ROMs  and the risks involved in flashing custom ROMs. In case you’re a newbie, some research may help you and in case you’re not good at this stop, it would not be wiser for you to install CM 11 on your device and you should stick to your stock Android ROM.cm11-2-480x274

Here are some instructions and pre-requisites for installing this ROM on your device:

      1. This ROM works for all the variants of the Galaxy S3 GT-I9305. Do not try this on any other device. Check your device’s model under settings > About device > Model.
      2. Your device must be charged over at least 60%. This is highly recommended in order to prevent any mishap during the installation process.
      3. Use the OEM data cable to establish connection between your PC and Phone if needed.
      4. Backup each and everything on your Android phone as you may have to go through data wipes during installation process. Here are the backup procedures.
      5. Backup all your important contacts, find the full guide here.
      6. Backup all your important sms messages, find the full guide here.
      7. Backup all your important call logs, find the full guide here.
      8. Backup all your important media content manually. (Copy to your PC.)
      9. Backup all your apps / data. If you’ve rooted your device, use Titanium Backup to do so. Follow the full guide here.
      10. Your device must have a CWM or TWRP Recovery installed. Follow the full guide here to install one.
      11. Once installed TWRP or CWM, don’t forget to make a nandroid backup using the backup options in the custom recovery. This is highly recommended in case something goes wrong and you need to go back to the previous working state of your system immediately.
      12. Make sure that you read all the important instructions carefully. Once done, you may go ahead.

Alright. Make sure that you followed all the instructions carefully and let’s move forward to the 2nd page for ROM installation.

Disclaimer: The methods involved in flashing custom roms and rooting your phone is highly custom and may result in bricking your device, and has nothing to do with Google or the device manufacturer that is SAMSUNG in our case. Also rooting your device will void its warranty and you will be no longer eligible for any kind of free device services by the manufacturers/warranty providers. In case of any mishap we may not be held responsible. Follow these instructions to the letter to avoid any mishap or bricking. Make sure that whatever you do, you are doing it at your own responsibility.

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Usama M
Usama is a software engineer by profession and at TechBeasts.com he uses his expertise to solve everyday consumer tech problems with his main areas of interest being Android, iOS and Windows.

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6 COMMENTS

  1. Your link to CM nightly isnt working (see error below). I went to CM site and got newest one but it failed to install, so went to recover (as made recovery in earlier steps) which seemed to work but phone now stuck on samsung logo on reboot so phone now with shop to reset as its beyond me.

    If you repost the correct cm build for this tutorial is it likely to install if I go again? Did I knacker it because I didnt use the correct cm version?

    Traceback (most recent call last):
    File “/usr/local/lib/python2.7/dist-packages/tornado-2.4-py2.7.egg/tornado/web.py”, line 1037, in _execute
    self.prepare()
    File “/usr/local/lib/python2.7/dist-packages/tornado-2.4-py2.7.egg/tornado/web.py”, line 1487, in prepare
    raise HTTPError(self._status_code)
    HTTPError: HTTP 404: Not Found

    • Thanks for that. My phone will come back to me with factory reset 4.3 android etc…. Does this mean it will need the first steps again i.e. cwm and rooting etc or can I just proceed with the CM and Gapps install? Im getting a bit nervous and dont think the guys that are un-bricking me will be able to tell. Is there a way of checking on the phone itself…?

      b.t.w. thanks for the post and your help 🙂

    • Cyanogenmod link isn’t working again. Can you upload a .zip to a cloud storage (ex. Mediafire or MEGA) with Cyanogenmod and gapps in it?

  3. Question: does installing a custom recovery will make my phone go back to factory settings? Is there a risk of bricking it?

Got a question/query or a suggestion? Drop it below.