Update Sony Xperia Z3 Compact D5803 To Official Android 5.0.2 Lollipop 23.1.A.0.690 Firmware [How To – Guide]

Long wait is over for the Xperia Z series users. Sony has finally started pulling out the Android 5.0.2 update for the Xperia Z family. The update emerged up for the  Xperia Z3 and Xperia Z3 Compact first of all, it’s pretty obvious now that this update will be hitting the entire Xperia Z series in the coming days for sure. Since Android 5.0 is the biggest update in the history of Android, the Android 5.0.2 update for the Xperia Z series also happens to be the biggest and greatest update among all the Sony customised Android OS. Sony has updated the UI according to Google’s all new Material Design, applications have been enhanced to make compatible with this OS. Other changes include new lockscreen notifications, multi user and guest modes. Battery life and performance has been improved.

At the moment, this update is rolling out to Xperia Z3 Compact D5803 users through Sony PC Companion or through OTA. Users who can’t rely on OTA and Sony PC Companion updates, they will have to find aa workaround to load this official Android Lollipop on their Z3 Compact. If you’re one of those who can’t wait for it to arrive automatically, you may find our guide much helpful. We are going to update Sony Xperia Z3 Compact to Android 5.0.2 Lollipop based on build number 23.1.A.0.690 using Sony flashtool. Lets go through some quick early preparations and flash this firmware right away.

Early Preparations:

1. This is only for Sony Xperia Z3 Compact D5803

This ROM is only for the device mentioned above. Make sure that your model number matches the one listed above. To do so, go to Settings > About Device on your device and see your model number. Flashing this firmware on any other device will result in bricking it so make sure that you meet this requirement first of all.

2. Battery should be charged at least over 60%.

Make sure that your battery is charged enough to complete the flashing process. In case your battery is low and your device goes dead during the flashing process, you may end up soft bricking your device as it won’t complete the flashing process.

3. Backup everything!

Just to be on the safe side, you may consider backing up each and everything from your Android device. This is highly recommended so that in case anything goes wrong, you still have the access to all of your data and you can restore it immediately. You may backup everything as listed below.

  • Backup SMS Messages
  • Backup Call Logs
  • Backup Contacts
  • Backup Media – Copy your files manually to your PC or Laptop.
  • Titanium Backup – If already rooted, use Titanium Backup to backup all of your apps, system data and other important content. If you haven’t rooted your device previously, skip this step.
  • Backup Nandroid – If CWM  or TWRP installed previously, otherwise skip this step and perform this at the end of flashing.

4. Enable USB Debugging Mode on your device.

Enable USB debugging mode on your device. To do so, tap settings>developer options>USB debugging. If you can’t find developer options in settings, then tap settings > about device and tap “Build Number” for 7 times and you’ll get em’ activated under settings.

5. Install and setup Sony Flashtool.

You must have installed Sony Flashtool. Find the full guide here.

After installing Sony Flashtool, open the Flashtool folder from the drive where you installed it. Now open Flashtool>Drivers>Flashtool-drivers.exe and install the Flashtool, Fastboot & Xperia Z3 Compact drivers from the list. [Important]

6. Use OEM data cable to establish connection.

Make sure that you use the phone’s original data cable to establish connection between your phone and the PC. Using a different data cable might result in interrupting the firmware installation.

xperia-z3-compact-white-1240x840-f40248bb3132354ba48c58041e244284

How To Update Sony Xperia Z3 Compact D5803 To Official Android 5.0.2 Lollipop 23.1.A.0.690 Firmware

Before moving forward, please make sure that you’ve read the pre requisites and ensure that you are set to go ahead.

  1. Download the latest firmware Android 5.0.2 Lollipop 23.1.A.0.690 FTF file.
    1. For Xperia Z3 Compact D5803[Generic/Unbranded] Link 1 | Link 2
  2. Copy the file and paste in Flashtool>Firmwares folder.
  3. Open Flashtool.exe now.
  4. Hit the small lightening button on the top left corner and select Flashmode.
  5. Select the FTF firmware file that you placed in the Firmware folder.
  6. From the right side, select what do you want to wipe. Data, cache and apps log, all wipes are recommended, perhaps you may select if you don’t want.
  7. Click on OK, and it will start preparing the firmware for flashing. This may take a little while to load.
  8. As soon as the firmware is loaded, it will prompt you to attach the phone by turning it off and keeping the back key press.
  9. For Xperia Z3 Compact, Volume Down key will do the job of back key, just turn off your phone, keep the Volume Down key pressed and plug in the data cable.
  10. As soon as the phone is detected in Flashmode, the firmware will start flashing, Do not leave the Volume Down key until the process is complete.
  11. As soon as you see “Flashing ended or Finished Flashing” leave the Volume Down key, plug the cable out and reboot.
  12. That’s All! Congrats! You’ve installed latest Android 5.0.2 Lollipop on your Xperia Z3 Compact. Enjoy

In case you got any queries or face any problems regarding this guide, please feel free to stop by the comment box below and let us know. We will get back to you as soon as possible. Thanks all!


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  • Adobo King

    How do you do this on a Mac?

    • @adoboking:disqus you will have to download the Sony Flashtool for MAC.

  • Adobo King

    I installed flashtool on my mac and moved the firmware file to the firmware folder. However, I am getting a window saying “Please move /Applications/FlashTool.app/Contents/MacOS/firmwares content to /Users/username/.flashTool/firmwares”. I can’t find that folder. Help please.

    • @adoboking:disqus rename the old copied firmware file to firmware.ftf.ol or firmware.old.
      Now once again place the firmware file in firmwares folder, but this time do not copy the file, you need to Cut the file instead and paste it.
      this should resolve your issue. Let me know if it works or not.

      • @adoboking:disqus if you cannot find that folder, you can create it for yourself.

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