Before update room Android 4.4 KitKat, You have use Android < 4.X. Room Android 4.4 KitKat call is KitKat AOSP ROM Custom Firmware synchronize all device Sony Xperia Z.
Screenshot Android 4.4 KitKat
You can read tutorial Install room for Xperia Z with Android 4.4 KitKat:
Step by steps:
It brings the Android KitKat plus with a lot of features to enjoy. What makes this ROM deserve to be flashed on Sony Xperia Z is because it's based on Android 4.4, surely you have known that famous name.
Are you convinced already? Then you are invited to proceed to the below tutorials to install Android 4.4 KitKat AOSP ROM Custom Firmware to your Xperia Z now. But keep in mind to firstly backup your data and settings, and not to forget to follow the steps entirely without skipping anything. Let's do it.
Step 1 - Click here Link: Download Android 4.4 KitKat AOSP ROM Custom Firmware and Google apps to your PC, put them on the place that it's easily to find like Desktop.
Step 2 - Connect your device to computer using an original USB cable.
Step 3 - Now copy the files you downloaded on step 1 which are: Android 4.3 ROM zip and Google apps, now paste them to your device's SD Card root..
Step 4 - Power off your smartphone now and disconnect your device to USB.
Step 5 - Now enter the Recovery mode. Don't know how to do it? Now power ON your device again while pressing these buttons together: Volume Up + Home + Power.
Step 6-Once you are inside ClockworkMod recovery, now wipe data / factory reset first, and then “wipe cache partition”. To perfect the process it is good to “wipe dalvik cache” from the “advance” menu inside CWM recovery but this step is not must.
Step 7 - Now search this: “install zip from SD card” click and hold the power button to select it.
Step 8 - Now press the Power button again to select “choose zip from sdcard”.
Step 9 - Now utilize the volume keys of your device to head to Android 4.3 zip you pasted to SD card
earlier, then select it using Power button again. Then confirm the installation. (Repeat the step from 1 to 8 to install Google Apps).
Step 10 - When the installation fully finished, now go to “+++++Go Back”. Restart your smartphone using “reboot system now” on the recovery. Your device will be restarting, this step will take sometimes, thus just wait for it.
Awesome guys you have managed to updated your Sony Xperia Z to Android 4.4 KitKat AOSP ROM Custom Firmware, just enjoy it. Goodluck
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