Operation Manual

Chapter 4 Broadband
LTE7410 User’s Guide
32
You will need a new SIM card if you enter the wrong PUK code too many
times.
Figure 14 PUK Code
The following table describes the fields in this screen.
4.4 Technical Reference
The following section contains additional technical information about the LTE Device features
described in this chapter.
DNS Server Address Assignment
Use Domain Name System (DNS) to map a domain name to its corresponding IP address and vice
versa. The DNS server is extremely important because without it, you must know the IP address of
a computer before you can access it.
The LTE Device can get the DNS server addresses in the following ways.
Table 5 PUK Code
LABEL DESCRIPTION
PUK code Enter the PUK (Pin Unlock Key) code to unlock the SIM card.
New PIN code Enter the new PIN code for the SIM card.
PUK remaining
authentication
times
This shows how many more times you can try to enter the PUK code before permanently
damaging the SIM card.
Apply Click Apply to save your changes.
Cancel Click Cancel to return to the previous screen without saving.