On my research i see this and i think to share Nokia recently released a new firmware update for its popular entry-level phone, the Nokia C1-01 and C1-02. The Nokia C1-01 is a dual-SIM phone with basic features, while the Nokia C1-02 isan entry level handset with dual-SIM, camera, FM Radio and other features. The latest firmware version is numbered 4.40 and it comes with general usability and performance improvements. Check out the complete changelog below. Nokia C1-01 and NokiaC1-02 Changelog : *. Performance improvements
*. Usability improvements
The latest firmware version can be downloaded from the Nokia Software Update or via. Over-The-Air (OTA). To get this software through your device, type in *#0000# on the home screen or go to Device Manager. Select Options > Check for updates and follow the on-screenprompts. NOTE It is advised to back up all your data before updating thedevice, just to make sure that no important files are lost during the installation.