Why does the Redmi Note 14 Pro+ 5G sometimes fail to recognize a SIM card after insertion?

If your Redmi Note 14 Pro+ 5G fails to recognize the SIM card after insertion, there will be several potential causes for the issue.
To solve the problem, please refer to the following methods:
1. Turn off the phone and carefully remove the SIM card tray. Reinsert the SIM card ensuring it is seated properly and securely in the tray, making sure it's aligned correctly according to the tray's design;
2. Check if the SIM card is damaged or dirty which can interfere with the phone's ability to detect it;
3. Try using a new SIM card. This will help you determine whether the issue lies with the card itself or with the phone;
4. If the issue persists, please visit a service center for further inspection and assistance.