Core Insights - Huawei's latest nova smartphone, the thinnest in its series, officially launched on December 25 [1] Product Features - The nova 15 series is equipped with HarmonyOS 6 across all models [1] - It features a dual red maple portrait system on both front and back [1] - All models support bidirectional Beidou satellite messaging, while the Ultra version additionally supports Beidou and Tiantong dual satellite communication [1]