Sony’s Xperia Z2 just started receiving a new Lollipop update that carries 23.1.A.1.28 as a build number. The update is currently rolling out in Nordic regions but soon will be available to the entire world. If you’re the impatient lot, you can update your phone by following our manual guide that will update your phone in just view minutes. Take a look at how to do that.

Sadly the update only brings some bug fixes and it isn’t Android 5.1 but it is good to see Sony’s dedication towards providing a good user experience.


  • 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 Z2 D6503 to Android 5.0.2 Lollipop (Z2 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 Z2 to the latest Android build.