字节已于2025年底开启豆包手机助手正式版项目，新机预计将于2026年Q2中晚期发布

Core Insights - ByteDance has officially launched the Doubao mobile assistant project at the end of 2025, with the new device expected to be released in late Q2 2026 [1] - Supply chain sources indicate that ByteDance has high expectations for the new device, which is significantly improved compared to the first-generation test version [1] - The second-generation Doubao phone will continue its collaboration with ZTE Nubia, with ZTE responsible for hardware and Doubao focusing on AI [1]