The Nokia 5800 has an updated firmware, it is only a few hours as the angular offset is included with the phone. The V40.0.005 firmware version is in development for some time been published finally.You can firmware update OTA (Over The Air), or via the Nokia Software Updater with a PC. OTA is easier and you can only use the device. While supporting the 5800 or UDP User Data Preservation, to make a backup copy of your phone is highly recommended!