Nokia C2-01 gets v11.0 firmware update
To get firmware update, type in *#0000# on the home screen or go to Device Manager. Select Options > Check for updates and follow the on-screen prompts. The software update can also be carried with the help of Nokia Ovi Suite.
Please make sure that you take the backup of your device before the upgrade. It might take some time before the software update is available in your region.