The Sony Xperia Z Ultra has had yet another new firmware build certified. Version number 14.1.B.1.510 has been certified for all versions of the Xperia Z Ultra including the HSPA+ SKU (C6802), the Asian /European LTE SKU (C6833) and the North American LTE SKU (C6806). We expect this version to include X-Reality for mobile when it eventually launches.