Why does Unicom Apple 7p always have no service?

If Unicom card cannot access the Internet, the reasons may be as follows: 1. No Unicom signal can be found at this location; 2. Unicom card does not have internet access function; 3. The status of the mobile phone number is abnormal (arrears of downtime, etc.). ) and can be solved in the following ways: 1. Restart the phone to test it; 2. You can search Unicom network again in another location; 3. Whether the mobile phone card has Internet access function; 4. Verify whether the status of the mobile phone card is normal. If the above methods still can't solve this problem, you can suggest contacting the local Unicom customer service or consulting the official mobile phone customer service.