TP-Link m7310 User Manual page 30

mobile networks automatically and you can choose a network with better performance
to access, which is related or have cooperation with the network provider of your SIM.
Click Save to save your settings.
4.4.1.3. PIN Management
You can configure your PIN code on this page.

SIM Card Status: Shows the status of your SIM card.

PIN Management: You can select whether to enable this function or not. Once the PIN
code function is enabled, every time you start the Mobile Wi-Fi with this SIM card inserted,
you need to enter the PIN code. But you can go to enable the auto-unlock PIN function,
which could save you this trouble.

PIN: Personal Identification Number of the SIM card. It consists of 4-8 digits.

PUK: PIN Unlocked Key. It consists of 8 digits.

Remaining Attempts: Shows how many attempts are left for you to try entering the PIN or
PUK code. You have 3 attempts at most for entering the PIN code and 10 attempts at most
for entering the PUK code. If you accidentally fail in three attempts, the PIN will be locked
and you will be required to enter the PUK code that is written on your SIM card (as shown
in the next Figure).

Auto-unlock PIN upon Power-on: When the PIN code is required upon Mobile Wi-Fi
restarting, it will be validated automatically once. If validation failed, you need to enter the
PIN code on the Status page.
If the current status of PIN is disabled, you can select Enable and set a PIN code, and then
click Apply to make your settings take effect. While, if the SIM card's current status is PIN
enabled and verified, you can select Disable and enter the current PIN code, or select Modify
and set a new PIN code, and then click Apply to make your settings take effect.
M7310 LTE-Advanced Mobile Wi-Fi User Guide
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