If your iPhone does not respond to the SIM card contact, you can try the following solutions:
1. Confirm whether the SIM card is normal: insert the SIM card into another phone and check whether the contacts can be successfully imported.If it cannot be imported on other mobile phones, it may be that the SIM card itself has a problem and you need to contact the operator to replace it with a new SIM card.
2. Check the settings: Open the iPhone's "Settings" application, select "Phone", and then ensure that the correct account (such as iCloud) is selected under "Default Account" to store contacts.Also make sure that the Contact synchronization option is enabled.
3. Restart the device: long press the power button on the iPhone and slide it to turn off the device. After waiting for a while, press and hold the power button again to turn on the device.This can sometimes fix temporary software problems.
4. Update the iOS system: Go to "General" - "Software Update" in the "Settings" application to check whether the latest version of iOS system is available for installation.Sometimes older versions can cause compatibility problems.
5. Synchronize contacts to the cloud: save all contacts to iCloud, Google Contacts or other cloud services, and ensure that you log in to the corresponding account on iPhone and enable the synchronization function.In this way, contact information can be recovered through cloud synchronization even if it cannot be read directly from SIM card.
If none of the above methods is effective, please consider checking the hardware or contacting Apple customer service for further technical support.
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1. The SIM card cannot be read due to the damage of the phone card, resulting in no service, 2. SIM card cannot be read due to mobile phone hardware failure, resulting in no service, 3. The SIM card cannot be read due to software conflict, which leads to no service, 4. No signal coverage in this area leads to no service. 5. It is recommended to take the equipment to the regular after-sales center for maintenance, so as to avoid problems such as damage to the main board caused by damage to the mobile phone card slot
1/5 Step by step reading Maybe there is no response. Restart the phone and try again according to the steps.
Open the iPhone and click the "Settings" icon
 2/5 Now open the setting interface and pull the interface downward with your finger
 3/5 In the following interface, click the "Mail, Address Book, Calendar" option [Summary] No response when importing the sim card address book from Apple's mobile phone [question] 1/5 Step by step reading Maybe there is no response. Restart the phone and try again according to the steps.
Open the iPhone and click the "Settings" icon
 2/5 Now open the setting interface and pull the interface downward with your finger
 3/5 In the following interface, click the "Mail, Address Book, Calendar" option [Answer] 4/5 In this interface, pull downward with your finger
 5/5 Click the "Import SIM address book" option, and then the system will remind you that you are importing SIM address book, and your SIM contacts will be imported to your phone at once.Answer I hope it will be helpful to you. [Answer]
This should be because you didn't save the contact person on the card before, so the contact person didn't respond. You can import the card into the original phone and save the contact person back into the card.
