Update Galaxy S3 I9300 To Android 4.4.2 KitKat via AOKP ROM–How To

It's time to update your Galaxy S3 I9300 to latest Android 4.4.2 KitKat. To upgrade your Galaxy S3 I9300, we will use a custom firmware called AOKP (Android Open Kang Project). Yes! This isn't an official firmware but custom one. An Android 4.4.2 KitKat based AOKP ROM build for Galaxy S3 I9300 recently introduced. Which means, you can download and install custom firmware AOKP to update your Galaxy S3 I9300 to latest Android 4.4.2 KitKat. Galaxy S3 I9300 comes with good hardware spec, hence is capable to run AOKP smoothly. Continue reading this guide to know how to install Android 4.4.2 KitKat based AOKP custom ROM on Galaxy S3 I9300.

AOKP comes with various useful customization. Since, AOKP is based on Android 4.4.2 KitKat, you may like to know what's new on it. Some of the cool Android 4.4.2 KitKat features that you will enjoy is Screen Recording, Tap to Pay (Google Wallet for everyone), NFC emulation for non nfc devices, 14% less memory usage, cloud printing from Gallery, Google Home is the new Launcher, Core System Processes Trimmed, apps are efficient and responsive on all devices, the all new 'procstats tool details' memory use, Full-screen Immersive mode, seamless change in resolution during media playback, Phone dialer got local business detection, redesigned Quickoffice and many more.

Another thing you should note, this is nightly build, hence expect some bugs in it. All bugs and issues expected to be fixed as development progress towards a stable AOKP build.

Warning!
This tutorial is only for Galaxy S3 I9300. Don’t try this guide on any other Android device. Also, we (Android Pulp Team) are not responsible for any damage caused due to the instruction given in this page. Try this at your own risk. However, it is very unlikely that your device will be damaged if you follow all the instructions as it is which are mentioned in procedure.  

Pre Requisites:

1. ROM flashing require you to wipe your internal memory data, hence you required to backup your device data. You can follow our ultimate backup guide.

2.  Make sure your device have at least 60% battery power. If your phone shut down during installation then there is good chance to brick your device.You can install an app like Battery Notifier BT Free on your Android device to check it easily.

3. You must have USB Driver Installed for Galaxy S3 I9300 in your PC. [Download USB Drivers]

4. Make sure USB Debugging is enabled otherwise it's won't be possible to transfer file between PC and Galaxy S3 I9300. [Guide].

5. Your device have latest CWM version 6.0.4.4 and up or TWRP 2.6.3.1 and up installed. [General Guide]

If you done everything that we mentioned above then you are ready to follow step-by-step guide on how to install Android 4.4.2 KitKat based AOKP ROM on Galaxy S3 I9300.

File Required(Download by clicking on it)

1. AOKP Android 4.4.2 KitKat ROM For Galaxy S3 I9300 [Filename: aokp_i9300_kitkat_nightly_2014-02-08.zip]
2. Google Apps [Filename: pa_gapps-stock-4.4.2-20140207-signed.zip]

How to Install Android 4.4.2 KitKat based AOKP ROM on Galaxy S3 I9300

1. Connect your device to PC using USB cable and then copy downloaded files to the SD card of your device. Important: Don’t extract any files.
2. Disconnect USB and then turn off your Galaxy S3 I9300.
3. Now, boot into recovery mode. To do so, press and hold Volume Up, Home and Power button together until Samsung logo flash twice and then leave the button. You should see recovery menu soon. In recovery use Volume Keys to navigate between option and Power button to select an option. Alternatively try this: Recovery Mode without Key Combination.
4. Perform a Nandroid backup of your existing ROM that you can restore later if this new ROM not work or you want to go back into your previous ROM. To perform a backup, select Backup and Restore, then on the next screen, select Backup again. Go back to main recovery menu after backup is complete.
5. Now, perform data wiping task. To do so, select wipe data/factory reset, then select Yes on next screen to confirm your action. Wait few minutes till the data wipe is complete. Now come back to CWM recovery main menu. Select wipe cache partition and after wiping process done, select Wipe Dalvik Cache under advance option to perform Dalvik cache wiping.
6. Select install zip from sdcard, then select choose zip from sdcard. Now, locate the AOKP Zip file that you copied earlier in Step 1 and select it by pressing Power button. Confirm installation by selecting Yes – Install _____.zip on the next screen. The ROM installation will begin.
7. Once the ROM installation process end, repeat the step 6 but choose the pa_gapps-stock-4.4.2-20140207-signed.zip file instead of ROM zip to install the Google apps package.
8. When installation is completed, go back to the main recovery menu and select reboot system now to reboot your Galaxy S3 I9300 and boot up into Android 4.4.2 KitKat ROM AOKP. 
9. Returning to Previous ROM: To go back to your previous ROM, boot into recovery, select backup and restore then restore your previous ROM by selecting it from the list.

Tutorial For TWRP Recovery Users:

1. Connect your device to PC using USB cable and then copy downloaded files to the SD card of your device. Important: Don’t extract any files.
2. Disconnect USB and then turn off your Galaxy S3 I9300.
3. Now, boot into recovery mode. To do so, press and hold Volume Up, Home and Power button together until Samsung logo flash twice and then leave the button. You should see recovery menu soon. Alternatively try this: Recovery Mode without Key Combination.
4. Create a Backup using TWRP Backup Option.
5. Perform a Factory Reset (this will delete all apps and their settings and game progress). To do this, Tap on Wipe, then at the bottom of the screen do a Swipe on the ‘Swipe to factory reset‘ option.
6. Now its time to add zip file for flashing. Tap on Install, then browse to the location where you saved the files and tap on the AOKP Zip file. Then tap on Add More Zips, and add pa_gapps-stock-4.4.2-20140207-signed.zip. Now at the bottom of the screen, do a swipe on the Swipe to confirm flash option to begin flashing.
7. When installation is completed, go back to the main recovery menu and tap on Reboot and then, tap on System to reboot your Galaxy S3 I9300 and boot up into Android 4.4.2 KitKat ROM AOKP.
8. Returning to Previous ROM: To go back to your previous ROM, boot into recovery, select Backup then through Restore option, restore your previous ROM by selecting it from the list.

Congrats! Android 4.4.2 KitKat firmware based custom ROM AOKP is now running on your Galaxy S3 I9300. Now explore the latest Android 4.4.2 KitKat. [Note: If you find difficulties to run root only apps then it may be disabled. Do this then, enable developer settings first (tap the build number 8 times under about device), then enable root under Developer Settings].

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