Generally, early activation is because it was detected when going through customs, so don’t worry.

It is for personal use and does not need to pay customs duties. The premise is that it must be activated. If not activated, each unit will have to pay hundreds of dollars, so merchants have no choice but to activate them all. In other words, after a few days of activation, the number of days will be lost. Warranty, generally activated ones will be sold cheaper.

How to identify mobile phones: 1. Serial number. One of the settings in the mobile phone is the serial number. This set of serial numbers is very important to the iPhone. The seemingly random number combination actually reveals the birth date of the iPhone;

2. For the activation code, in the dialing interface, press the serial number "*#06#" in sequence. This number must be exactly the same as the number on the mobile phone card slot to be recognized;

3. If you carefully compare the packaging words of the machine and the trademark information marked on the back cover of the Apple mobile phone, you will find some differences. The machine with Chinese characters represents goods imported from mainland China, while the machine with the word china represents goods imported from Hong Kong.