How to Update Sony Xperia Z1 C6902/C6903 to Official Android Lollipop 14.5.A.0.242 Firmware

Android 5.0.2 Lollipop update already started rolling out to Sony Xperia Z1 C6902/C6903. Alongside with Xperia Z1 the update also released to Xperia Z1 Compact and Z Ultra. Sony kept the Lollipop update changes to minimal and complied with the Material Design UI. The Update is currently available to Xperia Z1 users with model number C6902 and C6903 and has been given the model number 14.5.A.0.242.

The update is being rolling across various countries and if your device still doesn’t received the Lollipop update, then need not to worry. Here we brought easy tutorial in which the user can manually update Sony Xperia Z1 C6902/C6903 to official Lollipop 14.5.A.0.242 firmware using Sony Flashtool. So check down the below quick pre-requisites and then continue with the flashing procedure.

Sony Xperia Z1 Android Lollipop update


  • Make sure the device which is to be updated is Sony Xperia Z1 with model number C6902/C6903. Confirm by going to Settings > About Phone.
  • Take complete backup of your device data, which helps in restore in case any data loss has incur.
  • Device should have minimum battery level of 80%, if not keep for charging.
  • Enable USB Debugging by heading to Settings > Developer Options > USB Debugging.
  • USB Drivers based on the device should be downloaded and installed on your PC.
  • Setup Flashtool drivers on your PC from HERE.
  • Backup TA partition. How? Check HERE for simple guide.

How to Update Sony Xperia Z1 C6902/C6903 to Official Android Lollipop 14.5.A.0.242 Firmware:

Step #1: Download the Android 5.0.2 Lollipop 14.5.A.0.242 Firmware FTF file from the below links.

Xperia Z1 C6902 [Link 1] [Link 2] [Link 3]

Xperia Z1 C6903 [Link 1] [Link 2]

Step #2: Copy the Downloaded file and paste in Flashtool > Firmwares folder.

Step #3: Open flashtool.exe and then hit the small lightening button present at the top left corner and select Flashmode.

Step #4: Now select the FTF firmware file which you copied earlier to the Firmwares folder.

Step #5: Now perform Wipe Data, Cache and apps log by selecting the options available at the right hand side.

Step #6: Now tap OK which will prepare the files for flashing. Once the firmware files are loaded, a popup appears indicating to connect the device with PC.

Step #7: Now power off Sony Xperia Z1 C6902/C6903 and connect it to PC by pressing and holding the Volume Down key.

Note: Make sure not to release the volume down key, until the flashing process is successfully completed.

Step #8: The device will be detected in Flashmode and the Flashtool will starts the flashing process.

Step #9: Once the flashing of firmware files is completed, release the Volume Down Key.

Step #10: Now unplug the device and reboot it.

Step #11: Congrats! You just installed Android Lollipop 14.5.A.0.242 Firmware on your Sony Xperia Z1 C6902/C6903.

Note: First boot after flashing the device to latest OS may take 5-10 min, so be patience and let the device reboot successfully. If your device enter into boot loop mode, then remove the battery and boot again.

That’s the easy guide on updating the Sony Xperia Z1 C6902/C6903 to latest Lollipop firmware. If you face any issues while updating the device, do let us know in the below comment section. Do share with your friends via social networking sites like Facebook, Twitter, etc.,