ZyXEL LTE5121 User Guide - Page 39
The SIM Screen
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Table 4 Broadband Edit (continued) LABEL DESCRIPTION Apply Click Apply to save your changes. Back Click Back to return to the previous screen. Chapter 4 Broadband 4.3 The SIM Screen Use the SIM screen to enter the PIN of your SIM card. Entering the wrong PIN code 3 times locks the SIM card after which you need a PUK from the service provider to unlock it. Click Network Setting > Broadband > SIM. The following screen opens. Figure 19 SIM The following table describes the fields in this screen. Table 5 SIM LABEL SIM card status PIN verification DESCRIPTION This displays the SIM card status: PIN disabled - the SIM card has no PIN code security. PIN required - the SIM card has PIN code security, but you did not enter the PIN code yet. PIN verified - the SIM card has PIN code security, and you entered the correct PIN code. PIN locked - you entered an incorrect PIN code too many times, so the SIM card has been locked; call the ISP for a PUK (Pin Unlock Key) to unlock the SIM card. SIM card locked call operator - the PUK (Pin Unlock Key) failed, so the SIM card has been locked. No SIM Card - the LTE Device does not detect that there is a SIM card inserted. SIM Card Error - there is another SIM card error different from the ones listed above. A PIN (Personal Identification Number) code is a key to a 3G card. Without the PIN code, you cannot use the 3G card. Select Enable if the 3G service provider requires you to enter a PIN to use the SIM card. Select Disable if the 3G service provider lets you use the SIM without inputting a PIN. LTE-5121 User's Guide 39