Sony Xperia Z3 Android 5.0.2 Lollipop: Update Xperia Z3 D6603 to Android 5.0.2 Lollipop 23.1.A.0.690 Firmware

This tutorial shows how to update Sony Xperia Z3 D6603 to Android 5.0.2 Lollipop 23.1.A.0.690 firmware – Guide

Sony has recently started rolling out the Android 5.0.2 Lollipop firmware for Sony Xperia Z3 D6603. It’s been quite some time that Sony users are waiting to get hands on Lollipop and finally the Xperia Z3 users can experience it. The update is being rolled out via OTA and comes with revamped UI with material design and offers smooth, enhanced and flat graphics. The update revamps most of the parts which includes notifications on lock screen, guest mode etc. it also improves the battery life a bit.

Xperia Z3 D6603 to Android 5.0.2 Lollipop

So pick your Xperia Z3 D6603 and check for Software update to update it via OTA or else follow the below method and manually update Xperia Z3 D6603 to Android 5.0.2 Lollipop 23.1.A.0.690 firmware.

Prepare Xperia Z3 D6603:

  • Backup your important data and settings to safe place.

Backup & Restore Contacts

Backup & Restore SMS

Backup & Restore Call Logs

Backup files stored on internal storage to PC

  • Make sure Xperia Z3 is charged to at least 75% before you proceed with the update.
  • Enable USB Debugging on Xperia Z3 D6603. How? Go here.
  • Install Sony USB Drivers on PC.

Disclaimer: We are not responsible in any manner for any damage to your Xperia Z3. So understand the risk involved and proceed at your own risk.


Sony Flash Tool – Link

Android 5.0.2 23.1.A.0.690 firmware – Link 1 | Link 2

Also Read: How to update Galaxy S4 LTE I9505 to Android 5.0.1 Lollipop XXUHOB7 fimrware

How to update Xperia Z3 D6603 to Android 5.0.2 Lollipop 23.1.A.0.690 firmware:

Step 1: Download and Setup Sony Flash Tool on PC. (While installing Sony Flash Tool make sure to check Flashmode drivers and Fastboot drivers).

Step 2: Download the firmware package and make sure it is in .FTF format. If it is in .zip or .rar format extract it to a folder and obtain .ftf firmware package.

Step 3: Copy the firmware package to Flashtool > Firmwares folder.

Step 4: Run Flashtool.exe as administrator and click on the small lightening button in the top left corner and select Flashmode.

Step 5: Select the FTF firmware file, which you have copied to the Flashtool > Firmwares folder and on the right side choose what you want to wipe. It is recommended to choose all wipes.

Step 6: Hit OK, now the Flashtool will prepares firmware files for flashing on your device. This might take some time.

Step 7: Once all the firmware files are loaded, a popup appears asking you to connect your device in Flash mode.

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Step 8: Connect Xperia Z3 D6603 to PC in Flashmode.

  • Power off Xperia Z3 D6603.
  • Press and hold the Volume Down button and connect it to PC. (Do not release the Volume Down key until the whole flashing process is done).

Step 9: As soon as Flashtool detects Xperia Z3 D6603 in Flashmode, flashing process begins.

Step 10: Once the flashing process is done release the Volume Down and disconnect from PC and reboot Xperia Z3.

That’s all now you have successfully updated Xperia Z3 D6603 to Android 5.0.2 Lollipop build 23.1.A.0.690. Do let us know in the comment section if you face any issues while updating Xperia Z3.

Do share this tutorial with your friends on Facebook, Twitter and Google Plus etc. and help your friends in updating Xperia Z3 D6603 to Android 5.0.2 Lollipop firmware.

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Written by


Tech Lover, Gadget Freak and the founder of Gizmo Advices who loves to play with Custom ROM's, Kernel's etc.


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  1. It is not even necessary to hold the vol down till the flashing process is complete. I let go of the button right after it entered flash mode and it worked………..

  2. i have currently on kitkat on my device 23.0.A.2.93 d6603… can i flash 23.1.A.0.690 version onto it?? please help

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