my contacts missing on my iphone

iPhone users often face the issue of iphone contacts missing on their iPhones. This issue has been exacerbated after the update of IOS 15, so, the earlier version of the iphone faces the issue of contact disappearing on the iphone.  This is quite frustrating when you need someone to call and you are not getting the number of your contact.   Why Contacts Disappeared on iPhone   Many factors may cause contacts disappeared on iphone      If you have updated the latest version of IOS 15, then you can lose the contacts from the downgraded version of IOS like 13…