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Posted June 25, 2012 by Sarabjeet Singh in Android Tips
 
 

Install Android 4.0.4 ICS Build 6.1.A.0.452 on SONY Xperia S LT26i

SONY Xperia S LT26i users can get full satisfaction with their device, not because their phone have already pretty powerful specs, but Sony seems serious about pushing frequent firmware updates for the users. Latest build in this series is Android 4.0.4 ICS Build 6.1.A.0.452, which is officially released by Company.

This ICS Update has been released globally by Sony, that means it is a generic update and can be installed on any Sony Xperia S Device in the world, no matter in which region you’re located. Though, there is no information, when this update is starting rolling out officially across all regions, but this update is fetched and repacked by some developers. But we want to tell you clearly, that if you will follow installing this firmware build, your device’s rooting would be revoked, means you will no longer have root access.

sony xperia s ics update Install Android 4.0.4 ICS Build 6.1.A.0.452 on SONY Xperia S LT26i

For those advanced level users, who don’t want to loss root access, then we are going to show you full process including instructions to upgrade to latest ICS Build, and rooting thereafter. As long as you follow this tutorial carefully, you will have a phone rooted in the end. After rooting your phone, you will be again able to install custom ROMs and other apps that need a rooted phone.

Disclaimer: Though, Android 4.0.4 ICS Build 6.1.A.0.452 is officially released by Sony. Also, there are rear chances that there may be some risk involved in applying this firmware. But we can’t say intact, since this is related to OS of your phone, and you’re going to upgrading the same. Installing this firmware won’t violate the warranty terms of Sony, but if you decide to root your device, the rooting would void warranty. Please note that TechClap.com and developers should not be held responsible if anything happens to your device by following steps in this tutorial.

Pre-Requisite

  • Your XPERIA S should be charged minimum 80% before you continue flashing the latest build 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 6.1.A.0.452 Build on Sony Ericsson Xperia S device.

Instructions to Flash/ Install latest Official Android 4.0.4 ICS Build 6.1.A.0.452 on Sony Ericsson XPERIA S LT26i Phone

Step 1: First of all, you need to download latest FTF Zipped Package of Latest ICS Build for your Sony Xperia S Device. Download Link (6.1.A.0.452).

Step 2: Now you need to download Official Flashtool, which is essential to flash the firmware on the device. Download Link. (FlashTool).

Step 3: Now extract the contents of Flashtool, and install the same on your computer. After that pickup the .ftf file downloaded in Step 1, and place it in the path ‘C:/Drive>Flashtool>Firmwares>’. Please note that there should be no other file exist other than firmware file, as this is critical process.

Step 4: Now run the Flashtool in your computer, On the same time, after connecting device to the computer, and getting the message ‘This level is successfully initialized’, then it’s time to select firmware.

Step 5: On the Interface, navigate to the ‘File’ and select the option ‘Flash Mode’ which would be located at left hand side, on the interface of FlashTool. The make sure to check the options ‘Wipe User Data’> OK to proceed.

Step 6: You’re almost all done, now the interface is preparing the flashing of the firmware on your Sony Device. After that please disconnect device from your computer, and turn off the same.

Step 7: Now, you can turn on the device, while pressing and holding Back button, and immediately connect the phone to computer through USB Cable. At this time, the interface should start flashing Android 4.0.4 ICS 4.0 6.1.A.0.452 Build on Sony Ericsson Xperia S device. This process would take merely few minutes, after that your device would be rebooted into new firmware.

That’s damn easy process, and we hope you have done the firmware upgrade without much hassle. If you have successfully installed the firmware, rest assured you have lost the root access on your device. For that purpose we’ve prepared rooting guide below in this same tutorial.

Steps to Root Sony Ericsson XPERIA S LT26i on Android 4.0.4 ICS 4.0 6.1.A.0.452 Firmware with FlashTool

Step 1: To get your device rooted, you need to firstly unlock your bootloader, for which you must visit http://unlockbootloader.sonymobile.com/ and follow the onscreen instructions.

Step 2: Now, download the prerooted system.img of Generic CH ROM, and then rename file to System.img. Download Link.

Step 3: Make sure that FlashTool and Drivers for Xperia S and Fastboot are installed, otherwise navigate to the drivers folder of FlashTool directory in your computer.

Step 4: Run the FlashTool, and then click on the option ‘Reboot into FastBoot mode (via ADB), and you should wait if LED of your Xperia S turns itself blue.

Step 5: Now click ‘Select System to Flash’ in the middle in the FastBoot Toolbox, and then select the system.img of Step 2. Wait until the process finished, it would display ‘Before reboot check for the log status’ etc. Thereafter, click the ‘Reboot Device into system’, and wait while device gets reboot, and after device gets restart check the SU (Super User) icon in apps.

Assuming you’ve successfully flashed latest firmware on your Sony Xperia S and also rooted the same. Do lets know if you have any problems, or comment at XDA Thread.

Install Android 4.0.4 ICS Build 6.1.A.0.452 on SONY Xperia S LT26i, 10.0 out of 10 based on 4 ratings

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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.