After logging in, you can start chatting! WeChat ask you whether it's okay to import your phone numbers in your phone's address book to find friends who are also on WeChat based on their number.
Open WeChat, then go to Contacts > New Friends > Mobile Contacts. Tap the Add button next to the people you'd like to add. The people you've chosen will be added to your WeChat contacts.
Note: The first time you use this feature, WeChat will ask you for permission to read your phone's contacts. We understand that your privacy is of the utmost importance. Your phone numbers will be encrypted before the finding your friends who are also on WeChat. As a consequence, to ensure your privacy your address book data will never be visible to others.
