Xperia U

How to Update SONY Xperia U with Galaxy S3 Styled Dynamic Custom ROM Firmware

SONY Xperia U smartphone users can now rejoice as in the due course of this article we will be checking out on how you can easily update with the latest Dynamic custom ROM firmware. As of now there is no ETA on by when there will be an official release of Jellybean 4.1 update. For your convenience, we have also mentioned the screen captures on how this firmware looks like and also we will be checking out on what are the features and exact instructions which will help you on how to apply this update. We will continue to come with more custom ROM firmwares which will help you to further customize the firmware version. Full credits to the recognized XDA developer acervenky who has come up with this update. This custom ROM firmware will enable you to experience an all new user interface which some what matches the style of Galaxy S3 smartphone and also it comes with the faster file system of EXT4 which is nearly twich the faster than the default file system of Xperia U.

Xperia U

Features of Dynamic custom ROM firmware:

  • System UI from Vision Rom (With Working Quick panel Settings)
  • eXperia Terminator
  • Google Now
  • Pre-Rooted
  • Galaxy SIII Launcher
  • AOSP Gallery
  • Play Music
  • Extremely Smooth


Create a backup of all your data with the help of below mentioned steps and not with the SONY’s PC Companion as it doesn’t detect the device in the custom ROM firmwares. Don’t backup the data with the help of ROM Manager as it may potentially brick the device.

SMS – Use “SMS Backup & Restore app”,
Contacts – Sync with the Gmail application,
Call Log –Call Log and Restore
Images, Songs, Videos, Files – Copy to internal / External SD Card,
APN and MMS Settings – Note down from the path “Applications > Settings > Wireless and Network > Mobile Networks > Access Point Names

Navigate to the path “Settings > Applications > Development > USB debugging”, enable the USB Debugging and also make sure that your device is left with the minimum charge of 40% or else the device might just get turned off in the middle of firmware update.

Disable or uninstall all the antivirus tools present in your device as these tools tend to interrupt the process of firmware update. You will have to unlock the boot loader which you can unlock the same with the help of below mentioned steps.

How to Unlock Boot loader of Sony Xperia U – Tutorial

Disclaimer: We should not be held responsible for any damage happened to your SONY Xperia U due to not following the instructions mentioned. Don’t apply this update in your network locked devices or else it may lock the devices or may even brick the device.

Since this firmware can only be applied on the rooted devices, download the “Root Checker” app from the Google PLAY Store and check on whether your device is rooted or not as this firmware can only be applied on the rooted devices. Once rooted, download the ROM Manager app from the Google PLAY Store.

So assuming that you have created a backup and followed other mentioned instructions, you can now head over to the next step where we have summed up instructions on how to apply this update in your SONY Xperia U smartphone.

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  1. Pradeep Neela

    February 15, 2014 at 8:45 pm

    which is your current firmware version?

  2. smt sth

    February 25, 2013 at 12:53 am

    is it necessary to unlock boot loader & how to back up stock firmware?

    • Pradeep Neela

      March 4, 2013 at 6:27 pm

      yes its necessary

  3. varun

    November 30, 2012 at 12:34 am

    how to revert back to the old firmware

    • Pradeep Neela

      January 30, 2013 at 12:05 am

      you can follow the corresponding instructions / article for roll back to that firmware

  4. shivam

    October 7, 2012 at 9:46 am

    Can I revert back on my old framework after installation..? If yes then how..?

    • Pradeep Neela

      October 8, 2012 at 5:05 pm

      yes you can revert back to the older firmware

  5. shivam

    October 7, 2012 at 9:46 am

    Can I revert back on my old framework after installation..? If yes then….how..?

  6. Varun

    October 6, 2012 at 6:11 pm

    Can I apply this custom rom in official GingerBread or I need to wait for Official ICS to come in my Xperia U First, then apply this Custom Rom. 😕 And
    Please Tell Us How to MANUALLY Install Official ICS in Sony Xperia U (ST25i) in INDIA????
    SI – 1261-6383 ……… Thanks In Advance 🙂

  7. Abdul Majid Farooqi

    October 6, 2012 at 3:59 pm

    After the installation mobile show only lock screen.

  8. ana georgievska

    October 6, 2012 at 1:59 pm

    wish i own it,so much!

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