How to Update Xperia Ion LT28h to Android 4.1.2 CM10 Jelly Bean Custom ROM

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Sony Xperia Ion LT28h can now be updated to the latest Android 4.1.2 Jelly Bean custom ROM, all thanks to the efforts of the FreeXperia team and CyanogenMod 10 (CM10) team. You can now install Android 4.1.2 Jelly Bean CM10 on Xperia Ion LT28h as a custom firmware using our tutorial below. Some features don’t work yet, but they will soon as more new builds come up. You need to have ClockworkMod (or any custom) recovery installed from before.

In this tutorial, we will tell you how to update Xperia Ion LT28h to CM10 Android 4.1.2 Jelly Bean firmware with complete steps and instructions. Make sure you backup all your data as given in the tips below, because you will have to wipe all your data in the instruction steps. Let’s get on with the tutorial now.

Disclaimer: All the tools, mods or ROMs mentioned below belong to their respective owners/developers. We (TeamAndroid.com) or the developers are not to be held responsible if you damage or brick your device. We don’t have you on gun point to try out this tutorial ;-)

What’s Not Working:

  • Lots of features. This ROM is still WIP (work in progress).

Make sure you have installed all your USB drivers for the Sony Ericsson Xperia Ion to connect it with the computer. Download Sony Ericsson Xperia Ion USB drivers! Apart from just the USB drivers, there are a few more things that you need to take care of.

1. You need to enable USB debugging mode. This helps to connect your Android phone with the PC. See here: How to Enable USB Debugging.

2. Your phone battery should be 80-85% charged. If your phone goes off suddenly because of battery, during flashing ROMs or installing mods and updates — your phone might go dead permanently. See here: How to Check Battery Percentage.

3. Backup all your important data that you might need as soon as your flash a new ROM, or make a backup for just in case, you never know when anything might go wrong. See below on how to backup data:

4. Your phone should be factory unlocked. Additional instructions for locked Android devices will be added in the tutorial for unlocking devices.

Now, let’s proceed with the tutorial on the next page and update Xperia Ion LT28h to Android 4.1.2 Jelly Bean CM10 custom ROM.


  • guru100

    does this rom also work for xperia ion LT28I the international version of the phone?

  • Bruno

    I’ll try this. Anything i’ll back to post.