Install Android 6.0 Marshmallow on Xperia Z Ultra

Xperia-z-ultra brought an amazing news for the Sony Xperia Z Ultra users. Android 6.0 Marshmallow for Xperia Z Ultra is now available, you can easily install latest Android 6.0 Marshmallow AOSP firmware using adb-fastboot. The adb is used to flash the ROM file while the Google apps package (gapps) will be flashed using a custom recovery, we have published the complete tutorial to flash Android 6.0 Marshmallow on Xperia Z Ultra using adb-fastboot or TWRP recovery.

The Android 6.0 Marshmallow for Xperia Z Ultra is not an official update but it is based on pure AOSP ROM and has all the feature of Stock Android Marshmallow. You can easily revert back to Stock firmware whenever you wish to do so, just go ahead and you will be briefed through complete process to install Android 6.0 M on Xperia Z Ultra.

How to install Android 6.0 Marshmallow on Xperia Z Ultra

Disclaimer: This tutorial includes multiple operations which includes installing custom ROMs and more. Follow the guide on your own risk, we are not responsible if you brick or damage your device however the chances of bricking a device are rare but you have to pay full attention on the complete guide to avoid any issues and difficulties while performing any of the above mentioned operation.

Enable USB Debugging (Settings >> Developer Options >> USB debugging)

Your phone battery should be charged minimum 60%

Download these files:

Download Sony USB drivers.

Download and Extract adb fastboot.

Download and extract the Android 6.0 Marshmallow ROM (4 Files including boot, system, userdata, cache)

Process to install Android 6.0 Marshmallow on Xperia Z Ultra

Just follow the below simple steps in sequence to update Android 6.0 Marshmallow on your Xperia Z Ultra

Connect your device to the PC using USB cable.

Open the adb-and-fastboot folder you extracted earlier and copy the extracted contents of Android 6.0 Marshmallow inside the adb-and-fastboot folder.

Now Open the adb-and-fastboot folder, press SHIFT and Right-Click on an empty space inside the same folder.

Click on Open command prompt here as shown in picture below.


Type the following command to boot your device into bootloader mode,

“adb reboot bootloader”

Then type the following command to flash boot in your Xperia Z Ultra,

“fastboot flash boot boot.img”

Wait for the process to complete and then type the following command

“fastboot flash system system.img”

Then type command userdata to flash userdata your device,

“fastboot flash userdata userdata.img”

and then the final command,

“fastboot flash cache cache.img”

Once the process is completed, reboot the device.

Flashing Google Apps

Now you need to flash Google Apps using custom recovery, (TWRP or CWM)

Download Google Apps (gapps)

Connect your device to PC and transfer the package to internal storage of your device

Turn off your device and reboot into recovery mode using hardware key combination or third party app.

In the recovery menu select install and choose the and flash it.

Now go back and select clear cache and select reboot.

That’s it, you have successfully installed Android 6.0 Marshmallow on Xperia Z Ultra. If you have any query feel free to contact us by posting your comment in the below provided comment section. Follow us on Facebook/Twitter/Google+ for future update.

A Software Engineer who loves to hang around latest gadgets and writes his own experiences to get the best possible and accurate information.
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