The NTC-400 Series Router allows you to change the PIN code on the SIM card. In the example above, you need to type
original PIN code “0000” and then type the new PIN code ‘1234’, if you want to set the new PIN code as ‘1234’. To confirm
the new PIN code, re-type the new PIN code in the Verified New PIN Code field again.
Unlock SIM card by PUK Code
Figure 363 – Unlock SIM card by PUK code
If you entered an incorrect PIN code at the configuration page for 3G/4G-1 WAN more than three times, it causes the SIM
card to be “PUK locked”. To unlock a PUK locked SIM, you have to contact your carrier to get a PUK unlock code. In the
diagram above, the PUK code is “12345678” and new PIN code is “5678”.
1 Select Cellular Toolkit from the Service submenu and click the SIM PIN tab.
2 The packet analyser SIM PIN screen will open. It contains three sections: Configuration, PUK function and SIM
function.
8.1.3.1 SIM PIN Configuration
With the SIM PIN Configuration section allows you to select a SIM and set its status and interface.
Figure 364 – SIM PIN Configuration
Item Notes Description
Physical
Interface
The box is
3G/4G-1 by
default
Choose a cellular interface (3G/4G-1 or 3G/4G-2) to change the SIM
PIN setting for the selected SIM Card.
SIM Status System
generated
Indication for the selected SIM card and the SIM card status.
The status can be: Ready, Not Insert, or SIM PIN
Ready – A SIM card is inserted and ready to use. It can be a SIM card
without PIN protection or a SIM card unlocked by its correct PIN code.
Not Insert – The SIM slot currently does not have a SIM card inserted.
SIM PIN -- SIM card is protected by PIN code, and it’s not unlocked by
a correct PIN code yet. The SIM card is still in locked status.
SIM Selection Drop down list
and button
Select the SIM card for further SIM PIN configuration.
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