Changing the pin code – Nokia 20 User Manual

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Get

ting

sta

rted

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Get

ting

sta

rted

If you do not get an

OK

response, refer to section ”Troubleshooting”.

To enter the PIN code, type

at+cpin="PIN"

where PIN is your PIN code. Press ENTER. See ”Figure

2. HyperTerminal connection” for details.
If entering the PIN code fails three times successively, the code is blocked. Refer to section
”Troubleshooting”.

Changing the PIN code

To protect your SIM card against unauthorised use, it is good to change the factory setting PIN code
supplied by your service provider.

The PIN code can be 4 to 8 digits long. To change the PIN code, enter the following AT command in the
HyperTerminal connection window:

at+cpwd="sc","OLDPIN","NEWPIN"

where OLDPIN is the

old PIN code and NEWPIN the new code. Press ENTER. See ”Figure 2. HyperTerminal connection” for
details.