Install XPERIA Ultimate HD 4.0 Custom Rom on Xperia Arc/ Arc S, Neo/ Neo V and Pro is proud to present you a new Custom ROM for your XperiaSmart phone. This ROM is called XPERIA Ultimate HD4.0. It is based on ICS ( Ice Cream Sandwich ) but contain great features and exciting applications. It greatly extends the capabilities of Sony Xperiaphone. This ROM is exclusively for the following phones inXperia Range.

  1. Xperia ARC and ARC S.
  2. Xperia NEO and NEO V.
  3. Xperia Pro.
  4. Xperia Ray.

This ROM contains extra and new features other than already included in the stock ROM. The Features include.

1. Completely LAG FREE and super fast.

2. Best RAM management for your Xperia phone. Take a look at this screen shot !


3. Supports extended range of games that were not playable on stock ROM.

4. Easily installable specially if you are new to rooting and custom ROMs.

5. Best Battery life available to any ROM. Here are some screenshots to prove our point.


6. One of the best features this ROM have is the user interference. Its exactly the same UI as in Xperia Z or latest smartphones by Sony.


7. Other Features include

  • AROMA Installer with NXT Theme and many options.
  • Busybox included, odexed and prerooted.
  • Adreno GPU Tweak.
  • New Bootanimation and James Bond Sounds.
  • CPU Control.
  • And much more.


To begin Installation of XPERIA Ultimate HD 4.0. We need to Remember few things.

Make sure your phone’s Drivers are completely installed in your PC. If you are having Trouble with Driver download ADK Package , this Package contains all necessary drivers for android phones. Also Make sure your phone’s Data have a Back up. Charge your Phone Completely to avoid any problems during the process.

Enable USB DEBUGGING on your phone.

1. After this if haven’t Root your phone then you have to do it now. Read our Post about How to Root your Xperia Phone by Clicking here.

2. After You are done with Rooting You need to Install CWM ( ClockWordMod Recovery) in your phone. To do this Simple Download X-part from playstore. Install this Application in your phone and launch it . On the main interference of this application you will see ”install CWM ” button, Touch this to install CWM in your phone.

3. Now download XPERIA Ultimate HD 4.0.  Transfer the extracted files to your Phone via USB CABLE. Remember to put these files in SD card not in internal phone memory.

4. Reboot into Recovery , to do this Turn off your phone and press any key when Sonyericsson logo appears. Keep pressing the key until notification LED in your phone turns blue.

5. In recovery menu , select wipe data/ factory reset and let the process finish.

6. After that , select , mounts and storage and then select Format/System.

7. After that select Advanced and then select Wipe Battery Stats.

8. After that select , Install Zip from SD card and then Select Xperia Ultimate HD.Zip. Follow the On screen intructions. After installation uncheck ” Reboot ” and check ”Reboot in CWM “.

Enjoy XPERIA Ultimate HD 4.0 and feel awesome.

  1. Salman Masud

    my experia is stuked n not going into boot menu
    please help meee

  2. Abishek Sapkota

    Sir, i have installed ultimate xperia hd version 5 in my arc s. now i want to install version 3 or 2 .. is it possible . and i am also not being able to flash cwm in my device after its installation