Sony Xperia T2 Ultra Firmware D5303, D5306 & D5316

Sony Xperia T2 Ultra Firmware smartphone was launched in January 2014. The phone comes with a 6.00-inch touchscreen display with an HD resolution of 720 pixels by 1080 pixels.

The Sony Xperia T2 Ultra is powered by 1.4GHz quad-core Qualcomm processor and it comes with 1GB of RAM. The phone packs 8GB of internal storage that can be expanded up to 32GB via a microSD card. As far as the cameras are concerned, the Sony Xperia T2 Ultra D5303, D5306 & D5316 packs a 13-megapixel primary camera on the rear and a 1.1-megapixel front shooter for selfies. Below you can find the latest firmware’s for your phone and guides to installing ROM which will help in relock the bootloader.

See all the benefits for installing Firmware of your phone

Flashing firmware’s or custom ROM’s to Sony devices is as easy as updating your device to the latest version of Android. Also, it’s pretty easy to flash ROM to Sony phones compared to other devices. All you need is your phone’s firmware file (.FTF file) and the popular FlashTool. From here you can download the latest firmware for your Sony Xperia T2 Ultra D5303, D5306 & D5316.

Custom ROM

If you want to try other custom rom‘s in your device you can download the available roms or recoveries for your Sony Xperia T2 Ultra and flash it using guides provided in this website. Inorder to install any roms other than stock you have to root your phone and then need to flash custom recoveries like CWM (clock work mode) or TWRP on your phone. Usually we flash stock rom’s if something wrong with the software side. So, after firmware flash your Sony Xperia T2 Ultra phone will be in a factory reset condition.

Back to topic

So welcome to the Central place where you can download the latest version of Xperia T2 Ultra firmware for all variants across all regions. We are sharing the firmware which has fast and uncapped download speeds and I will try to add more stock firmware once they become available.

Note: If you find any new stock firmware that you want to be added to this list please comment below or contact me.

Download links provided below are from third-party websites and please note that is not hosted any ROM in our website if any of the below links is dead pls inform me.

Also Read: How to Enable USB Debugging & Unknown Sources Options in Your Phone

Sony Xperia T2 Ultra Firmware [D5303, D5306] & [D5316]

From below, you can download the latest firmware for your phone. Please make sure that you are downloading the correct build for your phone. You can either seek help from us or from google.

Check your device model number from Settings > About device, then download the specific firmware for your device.

One saddest fact is Sony has not yet provided the stock Marshmallow firmware for Xperia T2 Ultra devices, it seems like they have discontinued the support for future updates for this phone. Anyway, has filed a petition to sony about device update, hope Sony will provide updates soon if any.

D5303 Firmware

Android 5.1 Lollipop for Xperia T2 Ultra [D5303]

Android Version – 5.1.1 | Region – United Kingdom | Size – 1.31 GB

Download Android 5.1 Stock D5303_19.4.A.0.182_ES.ftf (1.3G).ftf / Mirror

Android 5.0.2 Lollipop for Xperia T2 Ultra [D5303]

Download Android 5.0.2 Stock D5303_14.6.A.1.206_RU .ftf

Android 4.4.2 Kitkat for Xperia T2 Ultra [D5303]

Download Android 4.4.2 Stock D5303_14.6.A.1.236_RU .ftf

D5306 Firmware

Android 6.0 Marshmallow for Xperia T2 Ultra [D5306]

Android Version – 6.0.1 | Region – US | Size – 1.5 G

Download Android 6.0 Stock D5306_19.4.A.0.182_US.ftf

D5316 Firmware

Android 5.1 Lollipop for Xperia T2 Ultra [D5316]

Download Android 5.1 Stock D5316_19.4.A.0.182_UA.ftf (1.2G) [Easy Firmware]

How to Install Firmware file


  • Firmware file for your device (.FTF)
  • Flashtool
  • USB cable

Flashing Guide

Make sure to Enable “USB debugging” and “Unknown sources” on your Sony Xperia device, click here for help [/symple_box]

Part 1

  1. Download and install the Flashtool package from official website.
  2. Now go to your installed directory (usually – ‘C:\Flashtool\drivers’) and install Flashtool drivers
  3. Tick the “Flashmode Drivers” and “Fastboot Drivers” to install (see below image)
xperia flashtool guide

Note: To install the Flashtool drivers for Windows 8/8.1/10, please click here.

Part 2

  1. Here we finished installing Flashtool now Open It.
  2. Click on the lightning bolt in the top left of Flashtool as highlighted below.
flashtool guide
flashtool install

Select, ‘Flashmode’ and click OK

You should already be in the source folder where the FTF firmware files are located. If not, navigate to: “C:\Users\[Your PC Name]\.flashTool\firmwaresIf you still not able to find the path check this too, C:\Flashtool\firmwares\now you should get it.

Select the firmware build version that you want to flash from the “Firmware” pane. Ensure the device variant is the same as the model number of your Sony Xperia device.

A clean install is the way to go

So tick all options under the “Wipe” pane. This will wipe all of your data though including your photos and videos, so please ensure you have these backed up somewhere else.

install ftf using flashtool

Leave all others unchanged

Click on “Flash“. Flashtool will then indicate that it is “preparing files for flashing”.

install firmware with flashtool

Sometimes, you may have to wait around 60 seconds for the pop-up below to appear. Once it does, make sure that the device is powered off and then hold the ‘volume down’ button and connect the usb cable. Once the pop-up disappears and flashing has started, you can let go of the ‘volume down’ button.

flashtool rom flash

Flashtool will then start flashing your Xperia device.

install ftf file

Once you see “Flashing finished” as indicated below, your Sony Xperia has been successfully flashed.

flashtool tutorial

Hurray 🙂 you have just installed stock firmware! Now disconnect your Xperia device and power on the handset.

It will take some time for the first boot so, don’t worry if it takes a while, this is to be expected.

Firmware Benefits

You can use the firmware for variety of purposes, which includes:

  • Fix your Sony Xperia T2 Ultra if it’s giving you force closes errors and restarts randomly.
  • Unbrick your Sony Xperia T2 Ultra if it’s boot looping and stuck at logo when restarting.
  • Go Back to Stock on your Sony Xperia T2 Ultra — helps when looking to sell the device, or fix installing OTA updates if broken.
  • Restore Sony Xperia T2 Ultra to factory state i.e original state when you bought.
  • Upgrade your Sony Xperia T2 Ultra to newer Android version.
  • Downgrade your Sony Xperia T2 Ultra to lower build no. at same Android version.
  • Unroot your Sony Xperia T2 Ultra.
  • Remove custom recovery like TWRP and CWM, if installed, on your Sony Xperia T2 Ultra.

To perform any of the above, simply install the firmware meant for your device, as per its model no. in Settings > About device.

Need help? Let us know if you need any help regarding this via comments below.

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By Shahas Nizar

A passionate blogger and a tech enthusiast who is always keen and awaiting to know about fully fledged new technologies who's currently using iPhone 12 as a part of daily routine. You can spot me @ #facebook, #twitter & #Google +

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