... calculator  Take notes  Read text messages and email messages stored on iPhone iPhone User s Guide Chapter 3 Phone 33  To end the first call and answer the new one, tap End Call + ... For important safety information about charging iPhone, see the Important Product Information Guide at www.apple.com/support/manuals/iphone. m Charge the battery Connect iPhone to a power ... Never, or after one day, one week, or one month.  To adjust email server settings, tap Host Name, User Name, or Password under Incoming Mail Server or Outgoing Mail Server. Ask your network administrator...