Communicating With People Using Your Dell™ Lightning 47
Call forwarding Forward incoming calls to a designated phone
number when your phone is busy, unreachable, or
does not answer.
1 Touch or drag the toggle switch to enable Call
forwarding.
2 Touch the phone number button, then enter the
number to forward calls to.
NOTE: Your network service provider must support
call forwarding service.
• Call barring: Blocks certain types of incoming or
outgoing calls.
International assist This feature allows to acquire automatic assistance
while making international calls or calling abroad.
Touch or drag the toggle switch to turn the feature
on or off.
SIM security Protect your SIM card against unauthorized use with
a personal identification number (PIN). After a PIN is
enabled to lock your SIM, you will need to enter the
PIN each time you turn on the phone in order to
unlock your SIM.
NOTE: The SIM card is permanently locked if you
enter the incorrect PIN for three consecutive times.
You must enter the Personal Unblocking Key (PUK) to
unlock the SIM card. Contact your service provider to
obtain the PUK.
NOTE: You can make emergency calls without
unlocking the SIM.
To enable SIM PIN:
1 Touch or drag the toggle switch to turn on SIM
security.
2 Type PIN into the phone then touch enter.
• To change SIM PIN:
1 Touch the change SIM PIN button.
2 Type the current SIM PIN then touch enter.
3 Type the new SIM PIN twice then touch enter.
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