A new 14.1.B.510 major firmware update for the Sony Xperia Z Ultra (C6802) has started rolling out in the Asia-Pacific region, and it brings along some overdue goodies.
Source: http://www.phonearena.com/news/Major-Sony-Xperia-Z-Ultra-firmware-update-brings-support-for-the-mobile-X-Reality-engine-adds-new-features_id46829
Source: http://www.phonearena.com/news/Major-Sony-Xperia-Z-Ultra-firmware-update-brings-support-for-the-mobile-X-Reality-engine-adds-new-features_id46829