How to: Update Xperia TX LT29i to Android 4.3 Jelly Bean

Update Xperia TX LT29i

Xperia TX is a mid-range device with respectable features, both in terms of its build quality and performance. Some of its key features include the following:

  • A 4.55-inch display
  • 323 display resolution
  • Scratch resistant and shatter proof glass
  • Dual core 1.5 GHz Qualcomm CPU
  • Android 4.0.4 Sandwich
  • 1gb RAM
  • 13mp rear camera



The Android 4.3 Jelly Bean was a much-awaited update, which will provide devices with a new interface, better performance, improved battery life, and other welcome developments. Good news for all the Android lovers out there – it is very easy to upgrade to this latest version. But before doing so, make sure that the following conditions are satisfied:

  • The battery life of your device is still at 60%
  • Sony Flashtool is installed on your device.
  • You have backed up important files on your device
  • USB debugging mode is enabled. To check: go to Settings >> Developer Options >> USB Debugging



  • Rooting your device is NOT necessary.
  • Unlocking the bootloader is also NOT necessary
  • Use only your OEM data cable to connect your device to your computer or laptop




Also keep in mind that:

  • All your applications and files (including messages, contacts, etc.) will be deleted once you begin flashing the firmware
  • The internal storage data will remain intact


Installing Android 4.3 Jelly Bean on Your Xperia TX LT 29i

  1. Download the Android 4.3 firmware for Xperia TX LT29i [Unbranded / Generic ] here
  2. You should see a file there. Copy this to the Flashtool > Firmware folder.
  3. Open Flashtool.exe
  4. Click the lightning button located at the top left corner of your screen
  5. Select Flashmode
  6. Choose the file “FTF Firmware” found in the Firmware folder
  7. Choose the data, apps log, etc. that you want to wipe then click OK.
  8. The firmware will load, and a prompt will appear. Follow the instructions by turning off your device and keeping the back key press
  9. Plug your data cable
  10. Firmware will begin flashing. Keep pressing the volume down key until the process has been completed
  11. “Flashing ended” o “Flashing finished” should appear to indicate that the process is done. Release the volume down key, unplug your data cable, and restart your device.


A5                                   A6                                   A7



Easy, isn’t it?

If you have additional questions regarding the process,

just hit the comments section below!



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  1. Tia May 7, 2016 Reply
    • Android1Pro Team May 7, 2016 Reply