As promised before, Sony has rolled out Android Lollipop to its Z line series. The lollipop update includes visual changes and google’s material design. This article is a step by step guide on how to update Sony Xperia Z2 (D6502, D6503) to Android Lollipop.
Pre-Requisites:
1. These ROMs are intended ONLY for Xperia Z2 variants with model number of D6502 & D6503. To find the model number of your phone, go to Settings > About Device > Model Number.
2. Make sure your phone’s battery is over 50%.
3. Enable “Unknown Sources” at Settings > Security > Unknown sources.
4. Go to Settings > About Device > Build Number then tap on “Build Number” 7 times until you see “you’re now developer’ message”.
5. Go to Settings > Developer Option > USB Debugging and enable it.
6 Backup your contacts.
([Ultimate Guide] How To Backup and Restore Contacts on Android)
7. Backup your apps.
([GUIDE] How to Backup & Restore Android Apps + Data (Root Required)
([GUIDE] How to Backup & Restore Android Apps + Data (No Root Required)
8. Backup your messages.
([Guide] How To Backup and Restore SMS on Android [No Root Required])
9. Move your photos, videos, and other personals to PC.
Download
Download the ROM Corresponding to the MODEL NUMBER of your phone. Be very careful not to download the wrong rom, as flashing it will brick your device and we will not be responsible for any damages that may occur on your device
1. Flashtool
3. ROMs
D6502: D6502_23.1.A.0.726_D6502_Customized_IN.ftf
D6503: D6503_23.1.A.0.726_R7C_Customized HK.ftf
D6503: D6503_23.1.A.0.726_HK.ftf
Flashing
1. Install flashtool and make sure the installation directory is in C drive.
2. After installation the “Flashtool” folder will be created in the root of C drive.
Note:
The “Flashtool” folder contains bunch of folders and files.
– Drivers: this folder contains the drivers for your phone.
– firmwares: this folder contains a file named ‘X10_V1_BLRelock.ftf‘.
– Flashtool.exe, Flashtool64.exe: this is the flashtool program that we’ll use for the update process. Flashtool.exe is for 32-bit, and Flashtool64.exe is for 64-bit.
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3. Open drivers folder and double-click on “Flashtool-drivers.exe”.
4. The following window will show up:
5. Make sure to check both “Flashmode Drivers” and “Fastboot Drivers” plus your phone’s driver (which is Z2 in this case) then click on install and wait for the installation process to finish up.
Important Note:
If for some reasons your phone’s driver was not successfully installed, try to install the “Sony Driver Pack” that you downloaded above.
6. Open Flashtool.exe (32-bit) or Flashtool (64-bit).
7. The following screen will show up giving us the below message “Please move C:\Flashtool\firmware content (X10_V1_BLRelock.ftf) to C:\User\YourPCName\.Flashtool\firmwares”.
8. Simply move both the contents inside C:\Flashtool\firmwares and the downloaded firmware to the mentioned locations. In another words, we should move “X10_V1_BLRelock.ftf”(which is inside Firmwares folder) and the downloaded firmware to this location : C:\User\YourPCName\.flashTool\firmwares.
9. After you move both firmware files inside the mentioned location, wait for the flashtool to finish syncing process.
10. Click on the black flash button.
11. The below screen will show up, choose “Flashmode”.
12. Then the below screen will show up.
13. Choose your firmware file (which May be either D6502 or D6503in this case)
14. Leave the Wipe options as is.
15. When you’re ready, click on “Flash” button.
16. The flashtool will prepare the firmware for flashing.
17. After that, the below screen will show up. Turn off the phon then hold down the Volume Down button and connect the phone to your PC via original cable.
18. While connecting your phone, a green and red LED lights will blink. This means your phone is successfully connected in flashmode. You should also see “Device connected in flash mode” message as well.
19. Once your device is successfully connected in flash mode, the flashing process will start automatically.
20. Once the the flashing process is finished, you should see “Flashing Finished” message.
21. Turn on your phone and wait for 4-5 minutes, you phone should have rebooted successfully!
Congratulations! your phone now runs Official Android Lollipop 5.0.2!