Tutorial how to install Official Android 4.0.4 ICS Firmware Update on Sony Xperia S LT26i. Sony Xperia S is latest flagship device from Sony. Sony has taken enough care of this device that have launched it with powerful 1.5 GHz Dual core snapdragon processor and recently updated the device with Android ICS 4.0.4 firmware build version 6.1.A.0.452. Sony has giving tough competition to other manufacturers by releasing instant official firmware updates to their all devices globally. The latest ICS 4.0.4 Android firmware brings many bug fixes and new enhancements so it is essential for every Xperia S users. If you missed the over the air OTA update then you can try installing manually without any problems.
Warning: If anything happens to your Sony Xperia S LT26i device either damage or brick during the installation flashing process, we are not responsible for it. Do it at your own risk and follow the guide carefully.
Pre-Requisite:
1. It is recommend that to create backup for your entire device to save your important files and data currently present on your Sony Xperia S LT26i. Here is the list – SMS, call logs, contacts, images, audios, videos, Bookmarks, APN (Access Point Names) settings and MMS settings etc.
2. Your Sony device should be charge to minimum 60% before you start flashing the Ice cream Sandwich Build on it.
3. Also, uninstall Antivirus, firewall from your device, and disable the same from your Computer to eliminate interruption.
4. Follow the path ‘Settings > Applications > Development > USB debugging’ on your Xperia to enable the USB Debugging.
5. Install device drivers for the phone and download it from official Sony website.
Below you can download latest ICS build original stock firmware rom and generic versions 6.1.A.0.452 based on your region and countries. Only UK users got different 6.1.A.0.453 build version for their Sony Xperia S LT26i devices. Here is the list of ftf files.
US here, UK here, India here, Arabia here, Dutch here, Germany here, Russia here, Iberia here, Denmark here, Swedish here and Nordic Countries here.
If i missed other regions you can get it from official thread at xda forums here.
Steps, Instructions and Procedure with Images. Install Android 4.0.4 Ice cream Sandwich ICS Update Build firmware version 6.1.A.0.453 on Sony Xperia S LT26i Phone. No root is required, No bootloader and unlock is required and it will not void warranty too.
Step 1. Download the above any one of them Android ICS firmware package FTF zipped file into your PC. Extract the zip file by using by either using 7zip or winrar software. After extracting, you will get the LT26i_6.1.A.0.452.ftf and file size will be like 345 MB.
2. After that, you need to download the FlashTool into your PC from here, which is necessary to flash the firmware on your Xperia S device.
3. Install the Flashtool software in PC. Then go to C Drive and open the flashtool folder. There you can see drivers folder. Double click the flashtool-drivers.exe and select the Xperia S in the device list. Click install the compatible usb drivers for your Xperia S.
4. Now Copy the downloaded LT26i_6.1.A.0.452.ftf file into C:/flashtool/firmware. Before copying the ftf file, delete all existing files in the firmware folder. Make sure that only our current ftf package will be in the firmware folder.
5. Go to flashtool folder and Run the flashtool.exe application. A small window will be displayed on the screen with a message “This level is successfully initialized”.
6. Click on left side top flash thunderbolt icon. A little window will be get, which shows two options flashmode and fastboot mode. Select flashmode and click ok to proceed the next step.
7. Select the “LT26 6.1.A.0.452” firmware package at left side column.
8. On right side column you can see option like “wipe user data”. If you selected the option, then your phone data will be deleted like contacts, sms, call log and synchronization. If not selected, then all your previous data will be there in the phone itself. If you need fresh OS installation without any bugs then I recommend you select those options.
9. Click OK. Then you get message in flashtool window like “Preparing files for flashing”.
10. After that, a small pop up window will be open and indicates you to connect the phone in Flashmode. For that turn off the device, Press and hold volume down key, and then connect the phone to PC with USB cable.
11. Release the volume down key when phone’s green led light appears.
12. Flashing process will be start automatically and it will take some time to finish the whole task. Be patience the process will be completed when it reaches 100%.
13. Disconnect the Phone USB cable when the process is finished.
14. Turn on the phone. The first boot will take some time to load.
Finally Android 4.0.4 ICS will be installed in your Sony Xperia S. Let us know if you have any problems while the installing the ICS on the device.
