Sony Xperia Z with Android v4.4.2 KitKat Z-Ultraized Custom ROM Update Guide

By Staff Writer

Jun 30 2014, 19:53 PM EDT

Sony Xperia Z users can bring the Xperia Z Ultra features to their devices through a custom ROM. The firmware takes after the official release of the Android 4.4.2 KitKat firmware 10.5.A.0.230 from Sony. The custom ROM provides Xperia Z2 features and full Xperia Z Ultra port.

The ROM offers a smooth, fast and stable experience because it is based on the official program released. XDA Developers Forum offers information about the custom ROM:

Based On The Official KK 4.4.2 Firmware 10.5.A.0.230
Rooted With Latest SuperSU
Deodexed, Zip-Aligned For Better RAM Management
Added init.d Support For Various System Tweaks
Latest XZDual Recovery Pre Installed
Fixed Lag In Settings While Scrolling
Superuser Mod Added For Installing Z2, Z1 Like Ported Apps
build.prop Edited For Z2 Ported Apps
Smooth and Fast. No More Lags In Settings
UI Chnaged to Xperia Z Ultra
Updated Sony Media Apps
Enhached Settings with Xposed Installer and Xperia Xposed
Some(Not All) Bloat Removed
True Experience of an Ultra in 5″ Display!

Users should satisfy the following prior to installation:

The custom ROM is for Sony Xperia Z variant. It should not be tested in other units.
ClockworkMod should be installed while the device must be rooted.
At least 80% battery

Important Note: Venture Capital holds no responsibility for what happens to the device after the process. Users can upgrade their devices at their risk.

To install the ROM, follow these steps:

1. Save Android 4.4.2 Z-Ultraized ROM for Xperia Z.

2. Connect the Xperia device to the computer through USB.

3. Transfer the ROM to the device's SD card. It should be copied to the root folder of the SD card.

4. Switch off the device and disconnect from the computer.

5. Reboot the phone to Recovery Mode. Press and hold the Volume Up, Home and Power buttons.

6. In the ClockworkMod Recovery, finish a data wipe. To do this, select "wipe data/factory reset." Users can use the power button to go through the interface.

7. Select "wipe cache partition" to complete the wipe.

8. Go back to the primary recovery screen. Select "install zip from SD card".

9. Click on "choose zip from sdcard". Use Volume keys to access the ROM file. Proceed with power button.

10. Wait for the installation to be completed and select "+++++Go Back+++++." Reboot the device and proceed with "reboot system now."

After the process, the device should have the ROM.