After rolling out the latest Android 5.0.2 Lollipop based on 23.1.A.1.28 build number for Xperia Z2, Sony’s pushing out the same update for the Xperia Z3 D6603 as well. Although the update doesn’t update the phone to Android 5.1 Lollipop. The changelog is still substantial, check it out below.

  • Ensured the lock screen/notification bar doesn’t indicate “noservice” when the device has coverage
  • Added a Sony feature; bringing back the “close-all-button” in the activity menu, so you can easily close all apps at once
  • Unblocked devices with server policies (such as Exchange Active Sync for e-mail), to enable the new Lollipop lock-screen notifications
  • Ensured the LED light is lit across all sound modes – and no longer offset by “silent”
  • Made the necessary fixes to enable the easy movement of content from internal memory to external microSD card (something we saw affecting a few devices)
  • Improved messaging functionality in Ultra stamina mode – some conversations could not be opened before in Ultra stamina mode

The update is currently rolling out in the Nordic region but if you are impatient, you can simply update it by following this guide.

Prerequisites 

  • Download and install the latest flashtool from here.
  • If you are using Windows 8 or 8.1. You’ll need to turn off the driver signature. Check out this guide.
  • Turn on the USB debugging by going to Settings > About Phone > Tapping the ‘Build number’ at least 7-8 times and going back into settings and then going to Developer Options.
  • Download the latest 23.1.A.1.28 ftf from here.

How To Update Xperia Z3 D6603 to Android 5.0.2 Lollipop 23.1.A.1.28

  1. Once the files are downloaded, copy them to flashtool/firmwares folder.
  2. Fire up the flashtool and wait for it to load.
  3. Once the flashtool is up and running, click on the small lightning bolt on the top left and choose Flashmode.
  4. Select the firmware file you placed in the firmwares folder.
  5. Make sure all boxes are unticked apart from Wipe Data/Cache/App logs.
  6. Once you are done making the selection, click the ok button and wait while the update gets prepared.
  7. Turn off your phone and wait for the message that asks you to attach your phone.
  8. Press and hold the volume down key and attach the USB cable to your phone.
  9. As soon as the firmware starts flashing, leave the volume down key and wait for the phone to flash the firmware. Do not disconnect the phone at any cost.
  10. Once the firmware is flashed, you will get a message asking you to reboot your phone.
  11. Reboot your phone and wait for 5 to 10 minutes for the first boot.

That’s it, you have successfully update your Xperia Z3 to the latest Android build.

Stay tuned for the root guide for this build.

 

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