The Subscriber Identity Module (SIM) Personal Identification Number (PIN) feature on your 4G LTE modem or mobile router requires you to enter a PIN before your device can access the mobile broadband connection.
This article provides steps on how to enable SIM PIN security on your 4G LTE modem or mobile router.
Note: You must enter your device’s default PIN in order to enable SIM PIN security. If you do not know your SIM PIN or if your SIM card did not come with a PIN, contact your mobile service provider for assistance or try any of the following:
- 0000
- 1111
- 1234
- Last four digits of the phone number that is associated with the SIM card
To enable the SIM PIN security feature on your 4G LTE modem:
- Launch a browser from a computer or wireless device that is connected to your device’s network.
- Visit http://192.168.5.1.
- Enter the password.
The default password is password.
The Overview page displays. - Select Settings.
The GENERAL tab displays. - Select the MOBILE tab.
- Select SIM Security > Activate.
- Enter your device’s default PIN and click Submit.
The SIM Security status changes to Active. - (Optional) Click Update SIM PIN to set a new PIN.
You successfully enabled SIM PIN security on your 4G LTE modem or mobile router.
Last Updated:07/07/2025
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Article ID: 31170