Home Android Firmwares Sony Xperia Z3 Firmware D6603, D6643, D6646, D6653 (Single SIM)

Sony Xperia Z3 Firmware D6603, D6643, D6646, D6653 (Single SIM)


Sony has already deployed the latest Android 6.0.1 Marshmallow firmware for many of its devices like the Xperia Z3, Xperia Z2, Xperia, Z5, the Z4, and for some of the Z series tablets as well.

Sony Xperia Z3 Firmware smartphone was launched in September 2014. The phone comes with a 5.20-inch touchscreen display with a resolution of 1080 pixels by 1920 pixels. Sony Xperia Z3 price in India starts from Rs. 24,890. Below you can find and download Stock Roms for your Sony Xperia Z3 Single Sim Versions (D6603, D6643, D6646, D6653) and also the guides for flashing Stock Firmware to your Xperia Z3 Smartphone.

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 latest version of android. Also it’s pretty easy to flash rom’s 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 Z3 D6603, D6643, D6646, D6653.

Custom Roms

If you want to try other custom rom‘s in your device you can download the available roms or recoveries for your Sony Xperia Z3 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 Z3 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 Z3 D6603, D6643, D6646, D6653 firmware for all variants across all regions. We are sharing the firmwares which have fast and uncapped download speeds and I will try to add more stock firmwares once they become available.

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

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

Also ReadDisable Driver Signature Verification In Windows 8, 8.1 & 10 for Installing Drivers

Sony Xperia Z3 Firmware [D6603, D6643, D6646 & D6653]

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 [symple_highlight color=”yellow”]  Settings > About device [/symple_highlight], then download the specific firmware for your device.

One saddest fact is Sony has not yet provided the stock Marshmallow firmware for Xperia Z3 devices, it seems like they have discontinued the support for future updates for this phone. Anyway Change.org have filed a petition to sony about device update, hope sony will provide updates soon if any.


Android 7.0 Nougat for Xperia Z3 [D6603]

Android Version – 7.0 | Region – Global Beta | Size – 877 MB

Android 6.0 Marshmallow for Xperia Z3 [D6603]

Android Version – 6.0.1 | Region – Italy | Size – 1.77 GB

Android Version – 6.0.1 | Region – Global Beta | Size – 1.56 GB

Android Version – 6.0.1 | Region – Ukraine | Size – 1.63 GB

Android Version – 6.0.1 | Region – Russia | Size – 1.66 GB

Android Version – 6.0.1 | Region – Russia Generic | Size – 1.66 GB

Android 5.1.1 Lollipop for Xperia Z3 [D6603]

Android Version – 5.1.1 | Region – Italy | Size – 1.59 GB

Android Version – 5.1.1 | Region – Italy | Size – 1.59 GB


Android 6.0.1 Marshmallow for Xperia Z3 [D6643]

Android Version – 6.0.1 | Region – Brasil | Size – 1.85 GB

Android Version – 6.0.1 | Region – Brasil | Size – 1.85 GB

Android Version – 6.0.1 | Region – Brasil | Size – 1.86 GB


Android 6.0.1 Marshmallow for Xperia Z3 [D6646]

Android Version – 6.0.1 | Region – US Generic | Size – 1.67 GB

Android Version – 6.0.1 | Region – Generic | Size – 1.68 GB


Android 6.0.1 Marshmallow for Xperia Z3 [D6653]

Android Version – 6.0.1 | Region – India | Size – 1.82 GB

Android 5.1.1 Lollipop for Xperia Z3 [D6653]

Android Version – 5.1.1 | Region – Customized India | Size – 1.8 GB

Android 5.0.2 Lollipop for Xperia Z3 [D6653]

Android Version – 5.0.2 | Region – Hong Kong | Size – 1.67 GB

How to Install Firmware file


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

Flashing Guide

Please note that i wrote this tutorial for flashtool version ( If you are using other versions there may be some difference for flashing the same file. So i request you to download the same version mentioned here or do it with your own risk.

Download Flashtool version (

[symple_box color=”gray” fade_in=”false” float=”center” text_align=”left” width=””] 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

Select, ‘Flashmode’ and click OK
flashtool install

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 Z3 if it’s giving you force closes errors and restarts randomly.
  • Unbrick your Sony Xperia Z3 if it’s bootlooping and stuck at logo when restarting.
  • Go Back to Stock on your Sony Xperia Z3 — helps when looking to sell the device, or fix installing OTA updates if broken.
  • Restore Sony Xperia Z3 to factory state i.e original state when you bought.
  • Upgrade your Sony Xperia Z3 to newer Android version.
  • Downgrade your Sony Xperia Z3 to lower build no. at same Android version.
  • Unroot your Sony Xperia Z3.
  • Remove custom recovery like TWRP and CWM, if installed, on your Sony Xperia Z3.

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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