On 18 February 2014, the Nokia Lumia 822 received the 'Black' firmware update (revision number 3051.40000.1352.0042), and it receive the 'DENIM' firmware update that introduces Windows 8.1.
2014年2月18日，诺基亚Lumia 822收到了'Black'固件升级(版本号3051.40000.1352.0042),随后收到了'DENIM'固件升级，将系统升级至Windows Phone 8.1。