It is being reported that there is a problem with the Whatsapp application on Xiaomi phones, where the contacts are not listed where they should be. This is a security issue and is fixed easily in four steps.
- Find the Security app on your handset and launch it.
- Tap ‘Permission’ then ‘Manage App Permission’ and then ‘Contacts’
- Find Whatsapp in the list and change the permission setting to ‘Allow’
4. Refresh the contact list in your Whatsapp.