EW50 Industrial LTE Cellular Gateway
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7.1.3 SIM PIN
In most cases, users need to insert a SIM card (a.k.a. UICC) into end devices connecting to a cellular network.
The SIM card is usually released by mobile operators or service providers. Each SIM card has a unique number
(so-called ICCID) for network owners or service providers to identify each subscriber. As SIM cards play an
important role between service providers and subscribers, some security mechanisms are required on SIM
card to prevent any unauthorized access.
Enabling a PIN code in SIM card is an easy and effective way of protecting cellular devices from unauthorized
access. This gateway device allows you to activate and manage PIN code son a SIM card through the web GUI.
Activate PIN code on SIM Card
This gateway device allows you to activate a PIN code on SIM card.
This example shows how to activate PIN code on SIM-A for 3G/4G-1
with default PIN code “0000”.
Change PIN code on SIM Card
This gateway device allows you to change PIN code on SIM card.
Following the example above, you need to type original PIN code
“0000”, and then type new PIN code: ‘1234’ to set the new PIN code
to ‘1234’. To confirm the new PIN code retype the new PIN code in
the Verified New PIN Code field again.
Unlock SIM card by PUK Code
If you entered an incorrect PIN code at configuration page for
3G/4G-1 WAN over three times, then the SIM card will be locked by
PUK (personal unlocking key) code. You will have to call a service
number to get a PUK code to unlock the SIM card. In the diagram,
the PUK code is “12345678” and new PIN code is “5678”.
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