Redmi k40pro SMS record was inexplicably emptied.

Why did the short message record suddenly disappear?

It is possible that you have turned on the SMS automatic deletion function: turn on the phone settings-SMS-save information. If you choose non-permanence, it is very likely that the short messages in the mobile phone will be automatically deleted by the mobile phone at some time.

Cell phone poisoning. If the mobile phone is poisoned, it is very likely that important data such as short messages will suddenly disappear.

Hardware damage. Another possibility is hardware damage. In this case,