Core Points - China Eastern Airlines will provide free Wi-Fi service for all economy class seats on domestic "Air Express" flights starting from October 11 [1][5] - The upgraded Wi-Fi service aims to meet the internet needs of passengers in various scenarios, including business and leisure [4] Group 1 - The free Wi-Fi service will be available on all wide-body aircraft for domestic flights, enhancing passenger convenience [1][5] - Passengers in any class, including first class, business class, and economy class, can use the Wi-Fi for cloud-based work, shopping, or entertainment [5] - For those seeking a faster internet experience, an optional paid upgrade to a higher-speed network service will be available [5]