Accessibility Enable your installed accessibility services and adjust related
settings.
Developer
options Set options for application development. For example, you can
show CPU usage on the phone display and show visual feedback
for touches. You can also set the phone to enter debug mode when
USB is connected.
About phone View information about your phone, such as the model number,
firmware version, phone number, and signal. You can also update
your software to the latest version.
Status and notification icons overview

Status icons

The following status icons may appear on your screen:
Signal strength
No signal
Roaming
GPRS is available
EDGE is available
3G is available
Sending and downloading GPRS data
Sending and downloading EDGE data
Sending and downloading 3G data
Battery status
The battery is charging
GPS is activated
Flight mode is activated
The Bluetooth™ function is activated
The SIM card is not inserted
The microphone is muted
The speakerphone is on
Silent mode
Vibrate mode
An alarm is set
Synchronization is ongoing
Problem with sign-in or synchronization
A Wi-Fi® connection is enabled and wireless networks are available

Notification icons

The following notification icons may appear on your screen:
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