Although Xperia S LT26i aka Sony Ericsson Xperia Nozomi aka Sony Ericsson Arc HD said to be upgraded to Android 4.1 Jelly Bean but Sony is very reluctant and yet to release any Jelly Bean firmware. You can wait for Sony to upgrade your Xperia S LT26i to Android 4.1.1 Jelly Bean or go through this article to install even better Android 4.1.2 Jelly Bean. Yes! You can now upgrade Xperia S LT26i to Android 4.1.2 Jelly Bean by installing CM10 custom firmware. The Android 4.1.2 Jelly Bean based CM10 ROM released under FreeXperia project. This CM10 build is based on Android 4.1.2 Jelly Bean and comes with many custom tweaks and features.
Here, you should note this CM10 ROM for Xperia S is under development and may have bugs and issues. All issues will be fixed as the development progress.
- HDMI (if applicable)
- Front Camera (if applicable)
This tutorial is only for Xperia S LT26i. Don’t try this guide in any other Android device. Check your device’s model number in: Settings » About phone. Also, we are not responsible for any damage caused due to the instruction given in this page. Try this at your own risk. Although, it is very unlikely that your device will be damaged if you follow all the instructions as it is which are mentioned in procedure.
Backup your data first using below mentioned instructions, so that if you lost any data you can recover it easily.
SMS & Call Log – Use SMS, MMS & Call Log Entries Backup & Restore App
Contacts & Settings – Use Android default backup options.
Images, Songs, Videos, Files – Copy to Internal/External SD card.
APN and MMS Settings – Note down from the path “Applications > Settings > Wireless and Network > Mobile Networks > Access Point Names”
- Make sure your device have at least 80% battery power. [How to Check Battery Percentage in Android Phones]
- You already have USB Driver Installed for Xperia S in your PC. [USB Driver].
- Bootloader is unlocked. [Go to –> unlockbootloader.sonymobile.com]
- Make sure USB Debugging is enabled. [Guide].
- ClockworkMod Recovery Installed [Guide].
- Make sure ADB is installed. [Guide] [Required to flash CM10 kernel]
If you done everything that we mentioned above then you are ready to move in the next page of this guide where we compile an easy to follow step-by-step guide on how to install Android 4.1.2 Jelly Bean based CM10 custom ROM on Xperia S.
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