Posted on May 14 2013 - 12:04pm by Anurag Kumar

It looks like Sony developers are now testing android 4.1.2 Jelly Bean firmware for the devices Xperia S, SL, Acro S and Xperia Ion. Last week we reported about DooMLorD’s leaked Android 4.1.2 Jelly Bean firmware 6.2.B.0.197 forXperia S / SL and then after that we saw on PTCRB site, official listing of  Xperia S/SL/Acro S android 4.1.2 Jelly Bean 6.2.B.0.200 firmware certification. Now there was only left Xperia Ion LT28i. Just now we saw leaked Xperia Ion LT28i Android 4.1.2 Jelly Bean 6.2.B.0.203 firmware.

leaked Xperia Ion LT28i  Jelly Bean 6.2.B.0.203 firmware Details

Leaked Xperia Ion LT28i Android 4.1.2 Jelly Bean 6.2.B.0.203 firmware Details

  • Model Number – Xperia Ion LT’28i
  • Android – 4.1.2 Jelly Bean
  • Baseband version – 9xB00-SCAQCSZ-34702090-33
  • Kernel – 3.4.0+
  • Firmware – 6.2.B.0.203

Xperia Ion LT28i Jelly Bean 6.2.B.0.203 firmware Features

We saw the same 681 MB RAM, new notification window, Mobile Bravia Engine 1, Clear Phase feature in New WALKMAN app, new kernel version.

How to Flash leaked Jelly Bean 6.2.B.0.203 firmware on Xperia Ion LT28i ?

Jelly Bean 6.2.B.0.203 firmware ftf file for flashing is only for development devices. Do not flash it on your user device (RED).

Now if you are thinking of flashing this firmware on your Xperia Ion, wait please, as  the leaked firmware 6.2.B.0.203 by DooMLoRD is in development phase till now, the ftf file for flashing  jelly bean fimrware 6.2.B.0.203 will be uploaded soon.

[ UPDATE ] Kernel for leaked Xperia Ion LT28i  jelly bean fimrware 6.2.B.0.203 you can download from given below link.

Download LT28i_DooMLoRD_JB-leak-203_kernel.elf I 6.84 MB
MD5 Sum: fc214bd8c553f711b0163d43c29c6bf7

How to flash jelly bean fimrware 6.2.B.0.203 on Xperia Ion ?

  • Download the kernel file from above link.
  • Bootloader on your Xperia Ion LT28i must be unlocked. You can follow the official guide to unlock bootloader here.
  • Make JB .zip fw.
  • You must flash now stock ICS ROM.
  • Flash JB .zip fw via cwm.
  • Now flash the downloaded kernel, and reboot your device.

Done, successfully 🙂

Check the photos of jelly bean fimrware 6.2.B.0.203 running successfully on developer Xperia Ion devices.


Till now there is speculation on XDA forum that will this ROM work on both Xperia Ion LT28i and LT28h. It seems it should work.

Do check the source of this leak below this post more development issues regarding Xperia Ion Jelly Bean and if you face any issues you can report here and there also. As we have now seen for all Xperia S, SL, Acro S and Ion jelly bean firmware leaks we may soon see Sony releasing official jelly bean firmware for all these 4 handsets. We will keep you posted as more details about official jelly bean comes out. If you need any file for flashing the above firmware on your Xperia Ion LT28i, do let us kno win comments section we will upload it and get you the link.

[ Via – XDA ]

About the Author

Blogging as a hobby. Sales & Marketing Professional. MBA (IB) from IIFT Delhi (2015-17). Founder & Editor-in-Chief of ( formerly ) , & Follow at Facebook I Twitter I Google Plus | LinkedIn | Instagram. Contact at [email protected] for feedback and sending tips. Donate Us.

3 Comments so far. Feel free to join this conversation.

  1. Ger123 May 27, 2013 at 1:35 pm - Reply

    I want the ftf file for flashing…

  2. kim June 12, 2013 at 12:02 pm - Reply

    “Make JB .zip fw.
    You must flash now stock ICS ROM.”
    I don’t quite understand the meaning of this

Leave A Response