How to activate the eSIM of overseas operators on the iPad of the Bank of China in mainland China

The Bank of China successfully activated the eSIM of overseas operators in mainland China through actual iPad test The environment where the real machine test of this method is successful: · iPad Pro (M4) (theoretically, all models supported by the Bank of China can realize it: 13-inch iPad Pro (M4) model A3007, 11-inch iPad Pro (M4) model A3006, 13-inch iPad Air (M2) model A2900, 11-inch iPad Air (M2) Model A2904 and iPad (10th Gen) Model A3162) · iPadOS 17.5 (whether it will be fixed in subsequent versions is still unknown) · Within mainland China Specific method: https://t.me/Pizza _ Network/4