Manually Install Android 5.0.2 23.1.A.0.740 Lollipop Stock Firmware on Xperia Z2 D6503

Earlier we help you update your Xperia Z3 Compact to Android 5.0.2 23.1.A.0.740 firmware and if you facing similar OTA delay issues with your Xperia Z2, then you can follow similar foot paths and opt for manual installation.

Android 5.0.2 23.1.A.0.740 Lollipop Stock Firmware for Xperia Z2 D6503

The instruction in this post are to manually install Android 5.0.2 23.1.A.0.740 Lollipop Stock Firmware on Xperia Z2 smartphone. If you haven’t already, don’t wait any further for Lollipop.


  • First of all ensure that you have Xperia Z2 Drivers installed on your computer.
  • Your Xperia Z2 should be unlocked.
  • Make sure the Xperia Z2 battery is at least 79% charged.
  • You need to have Flashtool installed on your computer. If not, follow –> Install Sony Flashtool in Windows


Please read each and every step carefully to 23.1.A.0.740 Android 5.0.2 Lollipop firmware on your Sony Xperia Z2. cannot be held responsible if you damage your phone because it will be entirely your fault.

Guide to Manually Install Android 5.0.2 23.1.A.0.740 Lollipop Stock Firmware on Xperia Z2

Step 1: Open the Flashtool.exe and click on “Devices” and then click on “Check for updates”.

Step 2: Check the update for Xperia Z2 D6503 and start downloading it. When downloading is completed, click on “Create” and flashtool will start preparing firmware for your Xperia Z2 D6503. When it is done, click on lightening icon at top left of of window.

Step 3: Select Flashmode and then choose the .ftf file you have just placed there.

Step 4: Look at right side window and select wipe data, apps log, cache etc (I recommend wipe all).

Step 5: Click on ok so the Flashtool start preparing the 23.1.A.0.740 .ftf firmware for flashing which will take few seconds.

Step 6: Once it is done, you will be asked to connect your Xperia Z2 D6503 to your computer. Also you will be shown the instructions on how to connect your phone like turning it off and then pressing Volume Down button followed by connecting it to computer using USB cable.

Step 7: Once your phone is detected, flashtool will start flashing Android 5.0.2 23.1.A.0.740 .ftf Stock firmware on your Xperia Z2.

When flashing is completed, your phone will reboot. Now you Xperia Z2 D6503 will be running latest Android 5.0.2 Lollipop Stock 23.1.A.0.740 Firmware. Ok, you are most welcome.