Samsung Galaxy S7

• How do I send text messages and multimedia messages?

• How do I set the default email account?

• How do I change the email syncing frequency?

• How do I add an email account?

• How do I connect to Wi-Fi on my Samsung Galaxy S7?

• How do I turn off the screen lock?

• How do I delete a calendar event?

• How do I turn 3G network on or off?

• How do I add a Microsoft Exchange email account?

• How do I set up Fingerprint unlock?