Use the option for a clean install. Follow the on-screen prompts to connect the phone and initiate the process.

Google frequently updates its security requirements, and the Nokia C2-01's aging software can no longer meet these modern standards.

Open , select your device type (RM-721), and navigate to Flashing > Firmware Update . Select the downloaded 11.40 firmware files.

, you can use the built-in update tool or manual flashing methods. Please note that even with the latest update, official YouTube app support for this device has largely been discontinued by Google due to security and standard updates. Google Help Software Update 11.40 Overview Release Date: October 24, 2012. Compatibility: Designed for Nokia C2-01 RM-721 Key Improvements:

If your Nokia C2-01 is currently running anything lower than 11.40, you are missing out on a significant performance boost.