The update is also available through OTA
Download the Upgrade Software to Your Computer
1. Download the file from the Download link to your computer and ensure the file is saved with the name: update.zip
Note: Do not unzip the file.
Copy the Upgrade Software to Your Phone
Go to setting>About phone>software update>check for updates
1. Please ensure battery is around 40% and above before starting upgrade process
2. Please ensure USB cable not connected neither to PC nor to Charger.