Understanding Your Device 23
Battery Charging
: Battery is charging.
Device Power Critical
: Battery has very little
power remaining. Charge immediately.
GPS Location Active
: One or more GPS
location services are active. See
“Location
services”
on page 172.
Missing SIM
: No SIM is installed.
No Network
: No wireless network is
available.
3G connection
: device is active on a 3G
system. The arrows are colored when data
is being transferred.
4G LTE Connection
: device is active on a 4G
LTE system. The arrows are colored when
data is being transferred.
Signal Strength
: Current signal strength.
The greater the number of bars, the
stronger the signal.
Signal Strength Roaming, Open
: Current
signal strength, when the device is
roaming. The greater the number of bars,
the stronger the signal.
Signal Strength Roaming, CDMA
: Current
signal strength, when the device is roaming
on CDMA networks. The greater the number
of bars, the stronger the signal.
Wi-Fi Active
: Wi-Fi is active, and connected
to a Wi-Fi network. The greater the number
of rays, the stronger the signal. The arrows
are colored when data is being transferred.
For more information about configuring Wi-
Fi, see
“Wi-Fi”
on page 153.
Wi-Fi Action Needed
: Action needed to
connect to Wi-Fi network. For more
information about configuring Wi-Fi, see
“Wi-Fi”
on page 153.
New Message
: You have new message(s).