Posted June 14, 2012 by Sarabjeet Singh in Android Tips

Update Sony Ericsson XPERIA Pro with Official Android 4.0.4 ICS Firmware

Sony Ericsson XPERIA Pro MK16i phone can be upgrade to latest Official Android 4.0.4 FW 4.1.B.0.431. Though, Sony is not providing this update through OTA (Over to the Air), but you need to update it manually through flash tool.

Sony Ericsson Xperia Pro was announced in February 2011, and it is having a 3.7-inch screen, with 480×854 pixels resolution. It is leashed with 8MP camera with LED Flash. It was originally shipped with Android 2.3 Gingerbread Operating System, and now can be upgraded to the latest Android 4.0 ICS Firmware. It run son Qualocomm MSM8255 Snapdragon 1GHz Scorpion Processor, and Adreno 205 GPU. Overall, device have descent enough specifications, and 512MB RAM to get average performance on latest ICS OS.

Sony Ericsson Xperia Pro Android 404 ICS Update Sony Ericsson XPERIA Pro with Official Android 4.0.4 ICS Firmware

Hence, XPERIA Pro users can have smile on their face now, because they will enjoy latest Android 4.0.4 Upgrade officially from Sony, in the due course of this article. It is worth mentioning that this is not third party firmware, but it is official one released by Sony. We’ve prepeared easy steps for your update your handset to the latest OS, which will fix many bugs, and also reportedly improves battery backup, and also enhances the overall features provided in the firmware.

In this article, we will be checking out on how you can update your phone to latest software release, please follow everything carefully.

Disclaimer: Even though, this is official update leak, but it should be always considered as a risky procedure. If you decide to manually update your device Sony Ericsson XPERIA Pro to latest Android 4.o.4 Build, then you are continuing at your own risk. During the process, your device can get damaged, bricked or even can become non-functional. Neither TechClap.com Nor Developer of Sony should be responsible for that case. You need to send your device to Sony Service center if you fail to update in end, if you don’t have experience to unbrick your device.


  • Your XPERIA Pro should be charged minimum 80% before you continue flashing the ICS firmware on your device.
  • We recommend you to Disable Antivirus and Firewall program in your Computer, to eliminate the possibility of any conflict.
  • We suggest to make Backup of all data the Sony Device:
  • You need to make sure that USB Debugging Mode is Turned On. Navigate to the path ‘Settings>Applications>Development>USB  debugging’.
  • Download and Install Latest Sony Drivers from  official website. Make sure you have data Cable available and keep it near PC, which is essential to enable connectivity of PC and Phone.

In the due course of this article, we’ll guide you through the installation process of Android 4.0.4 ICS on Sony Ericsson Xperia Pro device.

Instructions to Flash/ Install latest Official Android 4.0.4 FW 4.1.B.0.431 on Sony Ericsson XPERIA Pro MK16i Phone

Step 1: First of all, you need to Download FlashTool to flash firmware easily without much effort. Download Link (FlashTool)

Step 2: Now install the Flash Tool in your Computer, and then make sure you have five folders, Custom, Drivers, Firmwares, Loaders and X10Flasher_lib.

Step 3: Now, Download Firmware package for your Device Sony Ericsson XPERIA Pro MK16i. (Android 4.0.4 Build Number 4.1.B.0.431).

Step 4: Now, move the Firmware, to the ‘Firmwares’ folder (Step 2).

Step 5: Interface will ask you about connecting your device to the computer, in the Flashmode. To put the phone on Flash mode, firstly turn off the device, and then turn on while pressing back / volume button and now connect the USB Data cable, as device is in Flashmode mode.

Step 6: Now, on the SonyEricsson Xperia Flasher Interface, you should see the message, ‘This level is successfully initialized.’

Step 7: Now it’s time for Firmware selection. Windows will ask you about Source Folder, and it should have ‘.firmwares’ in Select a Firmware. Make sure to check that your device model is displaying ‘Device MK16i/ Version 4.1.B.0.431’.

Step 8: Make sure to check the option ‘Wipe user data’ and click ‘OK’ to proceed.

Step 9: Now, interface is preparing files for flashing, and it will display exact settings, i.e. Selected MK16i_4.1.B.0.431_Generic_Global.ftf, and Preparing files for flashing would appear.

Step 10: Now, you must disconnect your device from the computer, and then turn it off.

Step 11: Now, while pressing the back button and holding the same, Plug the USB Cable once again.

Step 12: The interface would start flashing the firmware, this process would take few minutes just, and you will be welcomed by new Android 4.0.4 ICS Firmware after reboot.

That’s it! Enjoy ICS 4.0.4 on your Sony Ericsson XPERIA Pro MK16i Device.

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Sarabjeet Singh

Real Android Freak and Gadget Lover, loves to try new ROMs on his own and his friend's phones. He is Assistant Editor of TechClap.com, and writes mostly about Android.