Go to the official website and you will know.

First, look at the appearance. China Mobile, China Unicom and China Telecom all have their own logos and trademarks. Generally, customized logos will appear on the phone casing! Second, look at the built-in customization software and services that usually appear in customized mobile phones. Based on the customized software and services, you can know the method of customizing the mobile phone!

Hello, the iPhone is not customized by China Unicom. It can only be divided into China Unicom contract phones and non-contract phones. If it requires phone card binding, it is China Unicom contract phone. If there is no phone card binding, it is China Unicom contract phone. It is a non-contract machine. In addition, iPhone is divided into two network standards. If the back cover of the phone is marked as WCDMA, it supports China Unicom 3G or China Unicom 2G. If it is CDMA2000, it is a telecom standard and can only use telecom cards