Android Lollipop Official update is now available for Android One Indian Devices (Micromax Canvas A1, Karbonn Sparkle V, Spice Dream Uno). The new Lollipop update comes with lots of new features and bug fixes. If you are the Android One India user than you can install this update on your phone VIA OTA method. To do this go the phone settings > About > System update and install the latest official update. If you are rooted user and or can’t see the OTA update on your phone, you can install the same manually on your phone. All you need to flash the zip file with the help of recovery and you are done. In this guide we’ll show you how to manually update your Android one phone with Lollipop Official update. The process is very simple and take a few minutes to complete the task.
Don’t factory reset your device before flashing, as this is an OTA update you can just flash it & get updated to Android Lollipop 5.1 even without losing a single piece of your phone data! This will even work on rooted & unlocked bootloader devices.
Update Android One Phone with Official Lollipop Update
Step 1. Download the Lollipop Official update from the below mention links:-
Download ZIP Here (For Karbonn)
Download Zip Here (For Micromax)
Step 2. Now connect your phone to the PC with USB cable and Place the lolipop zip on your Android One device.
Step 3. Switch off your phone and boot into stock or custom recovery.
Step 4. Select the zip placed on your SD card & flash it.
Step 5. Reboot the phone, first boot will take some time to apply the updates on your phone
Enjoy! You’ll be now on official Indian Lollipop stock rom.
I tried them but the flashing stuck at patching system image unconditionary