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Fixed Dialing Numbers
Fixed dialing number (FDN) is a SIM service mode, where
outgoing calls are restricted to a set of phone numbers.
These numbers are added to the FDN list. The most common
practical application of FDN is for parents to restrict the
phone numbers to which their children can dial. For security
reasons, you’ll be prompted to enable FDN by entering SIM
PIN2 which is usually acquired from your service provider or
SIM maker.
DTMF Tones
Dual Tone Multi-Frequency, or DTMF is a method for
instructing a telephone switching system of the telephone
number to be dialed, or to issue commands to switching
systems or related telephony equipment.
Press to set DTMF tones to normal or long.
15.1.7 Internet Sharing
USB tethering
USB tethering can share your phone's Internet connection
with a single USB-connected device. Press to turn USB
tethering On.
Note:
Turning On USB tethering will automatically turn off
Wi-Fi network.
15.1.8 Wireless Emergency Alerts
Alert Inbox
View Alert message in alert box.
