With an Android phone, you can backup your contacts to Google in a few quick steps. Here's how to backup contacts to Google ...

You can transfer contacts from an Android phone to another Android by syncing them to a Google account, or by sending a vCard file.

To transfer contacts from iPhone to iPhone, using iCloud is the easiest method. Ensure both iPhones are signed in with the same Apple ID/Apple Account. On both phones, open Settings > tap your name > ...