Core Viewpoint - China Unicom has officially opened the eSIM reservation channel, with over 60,000 reservations made as of the report date [1] Group 1: eSIM Business Development - China Unicom has confirmed its capability to handle eSIM mobile services [1] - The company plans to conduct commercial trials following the official launch of eSIM-enabled devices, specifically the iPhone Air, in China [1] - The customer service team has not provided specific timelines regarding the release of the eSIM-enabled devices [1]