China MIIT telecom equipment access records show the mainland iPhone Duo folding
model A3721 received a trial permit on Sept 2 and completed certificate renewal
on Sept 29, with AI large-model registration IDs added:
Shanghai-AppleZhiNeng-202506160057 (Apple Intelligent),
Shanghai-TongYiWanXiang-202410090024 (Tongyi Wanxiang),
Zhejiang-TongYiQianWen-20230901 (Tongyi Qianwen).