How To Update Xperia neo L MT25i To Android 4.0.4 ICS 4.1.B.0.631 Firmware

If you own Xperia neo L MT25i, then you will be delighted to know that Sony rolled out Android 4.0.4 ICS build 4.1.B.0.631 for your smartphone. The update expected to comes with several bug fixes as well as performance improvement. Android 4.0.4 ICS build 4.1.B.0.631 firmware update already available as OTA (Over The Air) update but if it’s not available on your region yet or you facing problem to update it via OTA then follow this article to learn manual steps to update Xperia neo L MT25i to latest Android 4.0.4 ICS build 4.1.B.0.631 official firmware.

In this article we will guide you to install Android 4.0.4 ICS build 4.1.B.0.631 official firmware update in Xperia neo L, model number MT25i. For this, we will use a tool called Flash Tool that will help us to flash the stock 4.0.4 ICS firmware in Xperia neo L . However, in this process you may lose all your existing installed apps and personal settings. You should follow this guide carefully to properly backup your data that you can restore later.



This tutorial is only for Xperia neo L, model number MT25i. Don’t try this guide in any other Android device. Check your device’s model number in: Settings » About phone. Also, we are not responsible for any damage caused due to the instruction given in this page. Try this at your own risk. Although, it is very unlikely that your device will be damaged if you follow all the instructions as it is which are mentioned in procedure.

Pre Requisites:

Backup your data first using below mentioned instructions, so that if you lost any data you can recover it easily.

SMS & Call LogUse SMS, MMS & Call Log Entries Backup & Restore App
Contacts & SettingsUse Android default backup options.
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


  1. Make sure your device have at least 80% battery power. [How to Check Battery Percentage in Android Phones]
  2. You already have USB Driver Installed for Xperia neo L MT25i in your PC. [USB Driver].
  3. Make sure USB Debugging is enabled. [Guide].

If you done everything that we mentioned above then you are ready to move in the next page of this guide where we compile an easy to follow step-by-step guide on how to install Android 4.0.4 ICS build 4.1.B.0.631 official firmware on Xperia neo L MT25i.

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  • walk

    there is no tft in zip

    • arafat21

      Are you sure? Because this is the official firmware that many used to update device. And look for .ftf file again. Window may hiding extension. Can you share screenshot of your extracted folder? It will help us.

      • walk