Install Official Android 5.0.2 Lollipop Firmware on Sony Xperia Z3 Compact The official Android 5.0 Lollipop OS has been made available for the D5833 Smartphone users now. So the users of Sony Xperia Z3 can enable the official Android firmware in their devices via the custom option developed by the XDA developers. Given below, there are steps written via which you can partially modify the OS which can be flashed easily on your Sony Xperia Z3 Compact. It’s similar to that of the official Android Lollipop version released earlier before, thus we can opt for this partially available update. It can be noted that your Z3 Compact Smartphone will run smoothly on the Lollipop OS. Here are the guidelines to grab the Android 5.0 Lollipop update for your Sony Xperia Z3 device. Follow it properly without skipping any of the steps. Pre-requisites: The following guidelines are made for the Sony Xperia Z3 only. Make sure that your device has at least 80% battery backup while doing this process. Enable a proper custom recovery tool like CWM or TWRP on your device. Install required USB drivers on your PC and USB Debugging Mode on your Smartphone. Steps to Update Sony Xperia Z3 Compact with Official Android 5.0.2 Lollipop Firmware: Step 1: Download the Android Lollipop firmware file on PC. Step 2: Save the package on your PC without unzipping it. Step 3: With the help of a USB cord, connect your Smartphone with PC. Move all the above downloaded files to your Smartphone. Step 4: Remove the USB cable once it is done. Switch off your Smartphone. Step 5: Reboot your Smartphone in the recovery mode. Step 6: Perform the wiping system function to clear the cache Step 7: Select “install zip from SD card” and “choose zip from SD card” from the main recovery menu. Step 8: Now, flash the Lollipop OS on your Sony Xperia Z3 Compact. Select “reboot system now”. It’s done. Now, you can enjoy the features of Android 5.0 Lollipop AOSP ROM running on your Sony Xperia Z3.