Samsung Galaxy Note 4 - Manual (Page 32)

Phone Basics 21
Icon Description
Alerts are set to Mute.
Speakerphone is Active.
3G Data Service is available.
3G Data Service, in use. The rays spin when data is being transferred.
Sprint Spark Enhanced LTE data service The rays spin when data is being
transferred.
Signal strength. More bars indicate a stronger signal.
Roaming signal strength. More bars indicate a stronger signal.
Airplane Mode is on.
Battery is charging.
Battery is fully charged.
Notification Icons
Icon Description
Phone call in progress.
Missed call.
New email.
New Gmail.
New message.
New voicemail.
New Hangouts message.
New Sprint Zone message.
Reminder for a calendar event.
USB connection.
App update(s) available.
App update(s) successful.
Downloading is in progress.
Keyboard is active (choose input method).
Screen lock setup is needed.