How to Install Android 4.0.3 Firmware Update in Xperia Mini Pro

Sanjana January 31, 2012 0

Cheers to Sony Ericsson Xperia mini Pro users as they can now update their smartphone with the recent ICS Android 4.0 firmware. This is not the official firmware released by Sony but is the developed by a third party developer, Kamarush. Since this is not the official firmware version, it is not very stable and comes with some minor bugs and a non-operational camera. We will be taking a look at the operational features in a short while.

sony ericsson xperia mini pro sk17i

We wont be responsible for any harm caused to your device during the updation procedure that is unlikely to happen if you follow the instructions carefully. The updation procedure is only applicable to Sony Ericsson Xperia mini Pro smartphones that are network unlocked so do not try it in any other devices as it might not be reversible and will harm the device by blocking it.

Lets take a glance at some of the operational features and bugs that come with this ICS Android 4.0 firmware.

Operational Features:

  • Gsm
  • Wifi (fixed)
  • Audio
  • Bluetooth
  • 2D/3D
  • Touchscreen
  • Vibration
  • Gps
  • Light


  • HW Keyboard lights
  • Rotation/G-Sensor
  • Data


You must backup all user data present in your phone since chances of data loss or corruption are there. Having a backup can help you replace the lost data if any damage occurs. Follow the link posted below to backup and restore all your data easily.

Pre Upgrade Instructions for Rooting and Firmware Update

sony ericsson xperia mini ics screen shots

Must Have:

Download Android 4.0.3 Firmware Package

Steps to Update Android 4.0.3 Firmware in Xperia mini Pro:

Step-1: Download Android 4.0.3 Firmware Package from the Must Have section to your computer. Connect your smartphone to the computer via original USB Cable obtained at purchase time and copy the downloaded zip file to your phone’s SD Card. Enable USB Debugging from the path “Settings > Applications > USB Debugging”.

enable usb debugging

Step-2: Press Power button and while the device the device reboots, press Volume Rocker a couple of times to boot into Recovery Mode. When the device boots into Recovery, use side Volume Rocker to move around and Power button to select. In Recovery mode, select “Install zip from SD Card” > “Choose zip from SD Card” and choose the ICS Android 4.0.3 Firmware zip file placed in your phone.

Step-3: It will take about 10 minutes for the entire updation process to complete. When the updation is complete, the device will again land in Recovery Mode. Now choose “++++ Go Back ++++” > “Reboot system now” so that the device re boots successfully.

Restore all data that you had previously taken the backup of and also restore the APN settings that are responsible for accessing internet. If the device enters in into boot loop mode then re-apply the firmware updation process again by following the steps mentioned above.

Thus you can easily update your Sony Ericsson Xperia mini Pro smartphone with ICS Android 4.0.3 Package by following the steps mentioned above carefully.

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