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Google has just launched the latest Android firmware 4.4.2 KitKat for many Nexus devices. Officials KitKat 4.4.2 AOSP release is mostly without much customization. If you want to enjoy a KitKat customized Android 4.4.2 on Sony Xperia ZL then flash or put up AOKP (Android Open Kang Project) custom ROM. The latest version of AOKP launched recently which is based on Android 4.4.2 KitKat and fully support Sony Xperia ZL. Sony Xperia ZL comes with a very nice hardware specs that make the Android 4.4.2 KitKat able to run smoothly. Continue reading the guide below to learn how to install Android 4.4.2 custom ROM based on AOKP KitKat Sony Xperia ZL.

Some cool features of Android a KitKat 5.4.2 you will enjoy is a Screen Recording, press for pay (Google Wallet to everyone), NFC emulation for non nfc, 14% less memory usage, printing of clouds from the Gallery, the Google homepage is just Launcher, core System Processes use, and the application of efficient and responsive on all devices, the use of all new memory procstats tools details, Immersive full screen modesmooth changes in the resolution, for media playback, phone dialer detection, local business gets redesigned Quickoffice and much more. Please note, this is a very early build and you should expect some bugs in it. All the bugs and problems will hopefully remain as development advances towards building a better one.

Pre Requisites:

1. Backup your device data.

2. Make sure your device have at least 60% battery power. You can install an app like Battery Notifier BT Free on your Android device to check it easily.
3. You already have USB Driver Installed for Sony Xperia ZL in your PC. Download USB Drivers
4. Make sure USB Debugging is enabled otherwise you won’t able to transfer file between PC and Sony Xperia ZL.
5. Your device have latest CWM version 6.0.4.4 and up or TWRP 2.6.1 and up installed.

 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 AOKPROM on Sony Xperia ZL.

File Required(Download by clicking on it)
AOKP Android 4.4.2 KitKat ROM For Sony Xperia ZL [Filename: aokp_odin_kitkat_nightly_2013-12-26.zip]
Google Apps [Filename: gapps-kk-20131119.zip]

How to Install Android 4.4.2 KitKat based AOKP ROM on Sony Xperia ZL

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 Sony Xperia ZL.
3. Now, boot into recovery mode. To do so, reboot phone and press Volume Up button few times while booting. [in recovery use volume buttons to scroll and Power button to select]. 
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 advanceoption to perform Dalvik cache wiping.
6. Select install zip from sdcard, then select choose zip from sdcard. Now, locate the AOKP ROM 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 gapps-kk-20131119.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 Sony Xperia ZL and boot up into rooted 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.

Congrats! Android 4.4.2 custom firmware based KitKat AOKP ROM has now been installed and running on your Sony Xperia ZL.

Note: the root is turned off by default in CM derived Rom, you must first enable the developer settings (press the build number under about 8 times the device), then the root under settings enable developers