The eSIM rules for the Chinese iPhone Air have been thoroughly sorted out, and there are quite a few pitfalls. This is not called eSIM, this is called electronic physical card. Solved the pain point of eSIM being too convenient for operators. handle, process, apply for, deal with Offline business hall is required, with ID card and mobile phone, and integrated verification of ID card and mobile phone. Online activation and cross provincial processing are not supported. All three major telecom operators support it, with China Unicom being the most mature and China Mobile having the strictest rules. quantity limit Activate up to 2 domestic eSIMs simultaneously. No more than 2 new accounts are opened per month. The total number of cards (eSIM+physical) under the same ID card should not exceed 5. Delete rule You can delete it at any time. Once the number is deleted, it will immediately shut down and cannot be restored. If you want to recover, you need to go back to the business hall and reapply. The advantage is that deleting it can release slots, making it easier to apply for overseas cards. storage limit The hardware can store 8-10 eSIMs, but in China it can only store 2. After leaving the country, deleting the domestic card can save 8-10 foreign cards. The upper limit for simultaneous activation is always 2 cards, dual card dual standby. For use abroad Automatically unlock the overseas eSIM add function after leaving the country, and enable location tracking. Airalo, Nomad, Docomo can be added. Overseas cards cannot be added domestically. After returning to China, the overseas card will be automatically suspended and the domestic card will be restored. card transfer ESIM can be transferred back to physical cards and processed at offline service centers, with all number packages retained. But the domestic iPhone Air does not have a card slot, so it needs to be transferred for a different phone. attention The overseas version of iPhone cannot activate Chinese carrier eSIM. Frequent operations may trigger risk control. Policies may be adjusted at any time, subject to the actual situation of the business hall. The national eSIM system is tightly regulated, allowing for freedom to exit the country.