The phone number stored on the SIM card suddenly disappeared. How to save it? It is urgent.

How to deal with the short message or contact loss of mobile phone in vivo;

1. If the SIM card is replaced, the lost information and contacts may be saved on the SIM card. After changing the card, the messages and contacts in the SIM card will not be able to be viewed in the mobile phone;

2. Enter the phone settings (system application settings)-Contacts-check to show the contacts in the phone and SIM card. If unchecked, the contact will not be displayed;

3. If you used the cloud service to back up contacts or text messages before, you can enter the cloud service to restore the backup; If it has been backed up by a third-party software, it can also be used to restore the backup; If there is no backup, it cannot be retrieved.

It is recommended that you often back up important materials to avoid data loss.