Nokia 6136

Page 69
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69
PIN code request
 — to set the phone to ask for your PIN or UPIN code every time 
the phone is switched on. Some SIM cards do not allow the code request to be 
turned off.
Call barring service
 — to restrict incoming calls to and outgoing calls from your 
phone (network service). A password is required.
Fixed dialling
 — to restrict your outgoing calls to selected phone numbers, if this 
function is supported by your SIM card
Closed user group
 — to specify a group of people whom you can call and who can 
call you (network service)
Security level
> 
Phone
 — the phone asks for the security code whenever a new 
SIM card is inserted into the phone. Select 
Memory
 and the phone asks for the 
security code when the SIM card’s memory is selected and you want to change 
the memory in use.
Access codes
 — to set the PIN code or UPIN code in use, or to change the security 
code, PIN code, UPIN code, PIN2 code, and call barring password
Code in use
 — to select whether the PIN code or UPIN code should be active
Authority certificates
 or 
User certificates
 — to view the list of the authority or 
user certificates downloaded into your phone. See ”Certificates,” p. 97.
Security module settings
 — to view 
Security module details
, activate 
Module 
PIN request
, or change the module PIN and signing PIN. See also ”Access codes,” 
p. 9.
■ Restore factory settings
To reset some of the menu settings to their original values, select 
Menu
> 
Settings
> 
Restore factory sett.
 and enter the security code. Data that you have 
entered or downloaded is not deleted. For example, names and numbers in 
Contacts
 are not affected.
■ Phone software updates
You may initiate phone software updates from the 
Phone updates
 menu. Also, 
your service provider may initiate the updates by sending them over the air 
directly to your device. This function is known as firmware over the air (FOTA).
Warning: If you start a software update, you cannot use the device, 
even to make emergency calls, until the update is completed and the 
device is restarted. Be sure to back up data before accepting a FOTA 
update.
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