Whatsapp If SMS authentication fails, is mobile phone authentication a roaming call?

Whatsapp's mobile phone authentication is to make roaming calls.

First, WhatsApp, the name comes from "what's up" used in our daily greetings? "This is an ad-free mobile communication application. The application allows users to send text messages and media messages through data traffic or wireless networks without paying for the messages sent. Once you start using WhatsApp to contact your friends, you will sigh, "How did my life go before I used it! "

1, download WhatsApp to your mobile phone. You can go to official website, or you can find the download in iTunes App Store and Android Marketplace. WhatsApp doesn't sell advertisements, and users can get a pure chat experience, but it also means that you have to pay a little price for it. IPhone users need to spend $ 1.99 to download the application, and other mobile phone users can download it for free and enjoy the free use period of 1 year. After 1 year, using WhatsApp will cost $0.99 per year.

2. Open the application on your phone. Create a WhatsApp account according to the prompts on the screen and bind it to your mobile phone number. Allow WhatsApp to synchronize your contacts so that you can communicate with them.

3. Manage favorites. After logging in to your account, you will see all the contacts who are already using WhatsApp in the Favorites tab. This list will tell you who already has a WhatsApp account, but if you just want to keep in touch with some people you often contact, then this list is too bloated. Click "Edit" in the upper left corner and select "Delete All", so that you can empty the whole list and manually add contacts. Or slide the contacts you want to delete to the left and delete them one by one.

4. You can view all your contacts on the Contacts tab (located in the middle of the navigation bar). All contacts who use WhatsApp will be marked under their names. You can also click to determine whether a contact is using Whatsapp. If he is using WhatsApp, the option "Message"

5. Replace the status information. Click Status in the bottom navigation bar. Click the "+"in the upper right corner and add a new status. You can also click the button under "Your current status is:" to edit the current status, or select the status that comes with the system from the list. If you want to clear all states, click Edit in the upper left corner or drag it down, and click Clear State to delete all states.

6. Invite friends. Click Contacts in the middle of the navigation bar. Find a contact, and then click on him to view the details. Click "invite"