Nokia 305 - Manual (Page 17)

The module PIN is required to access the information in the security module of your
SIM card. The signing PIN may be required for the digital signature. The barring
password is required when using the call barring service.
To set how your phone uses the access codes and security settings, select settings >
security .
Set which SIM card to use
You can set which SIM card to use for making calls, sending messages, or uploading
and downloading data. If you name your SIM cards, you can see at a glance, for
example, which is for work and which is for personal use.
Select SIM manager .
Select or . The selected SIM is always used when making calls, sending
messages, or uploading and downloading data.
Set your phone to always ask which SIM to use
Select
.
Set a function to use a specific SIM
Select
.
Rename a SIM
Select
SIM name , then write a name.
The settings for the SIMs remain, even if you swap the SIMs around.
Lock the keys and screen
To avoid accidentally making a call when your phone is in your pocket or bag, lock the
keys and screen of your phone.
Press the lock key.
Unlock the keys and screen
Press the lock key, then swipe the screen left or right.
Tip: You can answer or reject a call with the call or end key even if you have locked
the keys and screen.
Basic use 17