Update Sony Xperia S to Official Android 4.1.2 Jelly Bean 6.1.A.2.55 firmware

Today, in our article we will teach you an easy method to manual update the Sony Xperia S device with the latest Android 4.1.2 Jelly Bean firmware named 6.1.A.2.55.

This latest update is provided by Sony, and it is  official firmware.

If you’re an owner for a Sony Xperia S device and want to know how to update the Xperia S device, then you need to read the entire step by step guide before beginning to apply all the next modification with the help of Sony’s own app named PC companion software tool.

Use this manually step by step guide, which contain a guide to update the Sony Xperia S device with the official Android 4.1.2 6.1.A.2.55 Firmware update released by SONY only with a Sony Xperia S smartphone which is running  official firmware. So don’t use this guide for any other similar devices, or for Xperia S devices that have installed and run a custom ROM firmware, or other modified kernels.

This guide works only with SONY Xperia S smartphone, and the tutorial is structured a little different such as other tutorials that we posted in our site.

The Android 4.1.2 Jelly Bean firmware named 6.1.A.2.55 comes to give a complete Sony mobile features experience for its users. In these new features,  I want to remark Sony Media service with WALKMAN app, Album app, Movies app. All the features are accessible with a new lock screen which supports a lot of new features and new customizations.

The main features that this new update come are the possibility to customize the widgets, a new way to access the recent applications with a specified button, you can use this button for launch the latest applications that you use.

Before to beging the updating tutorial you’ll need to follow the next prerequisites:

• To see if this latest firmware is already installed on your Sony Xperia S device, to do that Open Settings>About Phone and after that open the Build number or Version menu, now note down the firmware version and if the version is other from 6.1.A.2.55 that’s means in your device is running an older firmware.
• Use this step by step guide to update the Sony Xperia S device only.
• Download and install the Sony PC companion app on your device. Download the Sony PC Companion software from here: for Windows from here and if you have MAC OS X fromhere.
• Verify the power left in the Sony Xperia S device’s battery before beginning the installation of the firmware. Make sure the level of battery is more than 85% power left. Otherwise your device can get a forced power off in the middle of the updating process; this unexpected thing can brick or damage your Sony device.
• The USB data cable needs to be near of you, you’ll use the same in the updating process.
• Perform a full backup for your personal data before beginning the flashing process.
• All the instructions and information listed here are provided only for educational purposing, and we cannot be held responsible or liable for any data lose or if you’ll brick or damage your device applying this preset tutorial.

 How to update the Sony Xperia S to Official Android 4.1.2 6.1.A.2.55 Jelly Bean firmware:

1. Open the PC Companion app on your PC.
2. Connect your Sony Xperia S mobile to the PC using the original USB cord.
3. Now, on the PC Companion application find the Update section and make sure you’ll follow all the on-screen step by step instructions.
4. Your device will be automatically rebooted, after that you can disconnect the Sony Xperia S from computer by removing the USB cord.

Congratulation, now you successfully learned how to install the official Android 4.1.2 Jelly Bean 6.1.A.2.55 firmware for Sony Xperia S device.

For supplementary questions, please don’t hesitate to use our comment section where you can explain or share with us your issues and your impression, we will make all the best for helping you.