Tech & AI Brief – December 25, 2025

Tuya Smart launches "Hey Tuya" AI life assistant for smart home control – Company announced today new super AI assistant integrating physical AI into everyday smart home devices. Platform brings conversational AI to IoT ecosystem controlling connected devices through natural language. PR Newswire

Xiaomi unveils 17 Ultra flagship with Leica Edition – Launch event held today in China introduces phone featuring Snapdragon 8 Elite Gen 5 processor and 200-megapixel Leica-tuned telephoto camera. Special Leica Edition announced alongside 6.9-inch AMOLED display with 120Hz refresh rate. Republic World

All news verified as <24h old at time of publication.