Why is the caller missing?
Disappeared because the chat record was deleted. According to the relevant information of the query, if Momo deletes the record, he can't get back the person he talked to. Mo Mo cannot restore a friend. If you remember Momo's number or mobile phone number, you can only add the friend again, and the deleted chat record cannot be recovered. Momo is an online mobile dating software. After uninstalling this software, you will never find any friends who have chatted in this software.