How can I invite my friends on the phone? Micro-letter Phone book Invite friends tutorial

1 we open the phone book and click on the "contact" and then in the contact we click on "Free Call" and then we find "invite friends". (pictured below)

2 and then we can invite friends, micro-trust friends and friend Circle (example: micro-trust friends), in the interface to choose the invited friends. (pictured below)

3 OK can enter the invitation good words, then click "Send" can be. (pictured below)

Friends accept that if you do accept the invitation will be successful, oh, if not accepted also have, of course, if you do not point to the friends of the feedback ah.