Install CM11 M8 Snapshot Custom ROM On Samsung Galaxy S3 I9300

One thing about the latest Android version is that, first it got released for a single device, then all of a sudden they started dropping the firmwares like raining bombs but whatever we do, not all the users visits the XDA forum, they rely on other sites where the tutorial is easier and with all the necessary requirements and their downloading links too. Whats best is that these sites, reply rate is way faster than people on Forum, coming here is a good decision but it makes our job difficult, but still we are here to give you the best. Now that the CM11 M8 is being released overall for all the Flagship devices, Galaxy S3 is also getting ready to get this update.

galaxys_3_010957187580

If you are interested in Other ROMs, you can Visit our Custom ROMs section or you can install this ROM on your Galaxy S3 I9300 by following our tutorial below. This is not an official release from Sony but a Custom ROM, you need to install a Custom Recovery on your device to install this and also your device must be rooted.In this Article,  we will show you How To Install CM11 M8 Snapshot Custom ROM On Samsung Galaxy S3 I9300. But before we begin, make sure:

  1. That you have a Well Charged Battery, 60%-80% is better.
  2. Back-Up all your important ContactsCall Logs & Messages. It is highly recommended in case of any mishap or data loss to back up all your important data.
  3. Back-Up your Mobiles EFS Data.How To Restore and Back-Up EFS Data On Samsung Galaxy Devices
  4. Check your device model, Go To Setting > About and Make sure that it is GT-I9300.
  5. Do not try it on any other device.
  6. Enable USB Debugging Mode
  7. Download USB Driver For Samsung Devices: Link
  8. Root Your Device: Link

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 manufacturers which is Samsung in our case. 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.

Downloads Required:

 Android 4.4.4 Kit-Kat CM11 M8Link

Google Apps: Link

How To Install It.

  • Connect your device with PC.
  • Copy and Paste the Above zip files to the root of your sdcard.
  • Disconnect the cable.
  • Turn Off your Device
  • Open Recovery mode. How? Press and hold the Volume Up + Home + Power buttons until you see some text on screen.

CWM/PhilZ Touch Recovery Users.

  1. Back-up your ROM using the Recovery.
  2. To Perform a Back-up, Navigate to Back-up and Restore on Next screen, Choose Back-up again.
  3. Go back to Main Screen after the Back-up is complete.
  4. First Choose ‘Wipe Cache’.
  5. Then Navigate to ‘advance’ and choose ‘Devlik Wipe Cache’, so you won’t get in any bootloop.
  6. Then Finally Choose Wipe Data/Factory Reset.
  7. Navigate to ‘Install zip from sd card’ another windows will open in front of you.
  8. Select ‘choose zip from sd card’ from the Options.
  9. Select the CM11.zip file and confirm the installation on next screen.
  10. Once the Installation is Over, Go back and Flash Google Apps
  11. Once the Installation is Over, Select +++++Go Back+++++
  12. Select Reboot Now to Reboot the System.

TWRP Users.

  1. Tap on Wipe Button and Select Cache, System, Data.
  2. Swipe the Confirmation Slider.
  3. Go back to Main Menu and Tap Install Button.
  4. Locate the CM11.zip, Google Apps and Swipe the Slider To install it.
  5. Once the Installation is Over, you will promoted to Reboot System Now
  6. Select Reboot Now to Reboot the System.

Solve Signature Verification Error:

  1. Open Recovery.
  2. Navigate to install zip from Sdcard
  3. Navigate to Toggle Signature Verification and Press Power Button and See if it is disabled or not. Disable it and then Install the Zip without any Error.

That is it! Just wait for almost 5-minutes, you’ll find your Galaxy S3 I9300 Running Android 4.4.4 Kit-Kat CM11 M8, Go to Settings > About to verify.


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