To connect successfully with a SIM card that has active SIM protection, you must enter the valid SIM PIN in the router's mobile settings. Incorrect entries or switching the SIM card may lead to the SIM being locked. Here you can find instructions how to disable the SIM PIN using a Teltonika Router or Advantech Router, or unlock it with the PUK if it is already locked.
Teltonika Router
The Teltonika Router allows you to disable the PIN protection, change the SIM PIN, or unlock a locked SIM card.
Teltonika: Disable SIM PIN Protection (or Change PIN)
Teltonika: Unlock SIM Card with PUK
If these functions are not available, update the firmware to the latest version.
Teltonika: Disable SIM PIN protection (or change PIN)
- Log in to the router's WebUI.
- Navigate to Network > Mobile > Utilities.
- In SIM PIN management, you can disable or change the SIM PIN.
SIM card lock 'on': SIM-PIN protection is active.
SIM card lock 'off': SIM-PIN protection is disabled.
To change the SIM status, the current SIM PIN must be entered.
Change PIN: Here you can change the current SIM PIN.
Teltonika: Unlock SIM card with PUK
If the SIM card is locked due to an incorrect PIN, an error message will appear under Network -> Mobile -> General.
- Log in to the router's WebUI.
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Note: Ensure that no incorrect SIM PIN is set under Network -> Mobile -> General (for dual-SIM routers, check SIM1 or SIM2).
- Click on Unblock SIM to unlock the SIM card using the current PIN and PUK.
- A dialog will appear for entering the current PIN and PUK. Click on 'Unblock' to unlock the SIM card.
- You can either disable the PIN protection as per Disable SIM PIN protection (change SIM PIN) or must enter the valid SIM PIN under Network -> Mobile -> General in the PIN field.
Advantech Router
The Advantech Router allows you to disable SIM protection, unlock a locked SIM card, and change the PIN.
Advantech: Disable SIM protection
Advantech: Unlock SIM card via PUK (or change PIN)
If these functions are not available, update the firmware to the latest version.
Advantech: Disable SIM protection
- Log in to the router's WebUI.
- To disable SIM protection, click on Administration and select Unlock SIM Card, enter the current SIM PIN, and click 'Apply'.
Advantech: Unlock SIM card with PUK (or change PIN)
- Log in to the router's WebUI.
- Note: Ensure that no incorrect PIN is set under Configuration -> Mobile WAN.
- To unlock a SIM card, click on Administration and select Unblock SIM Card, enter the current SIM PUK and a new SIM PIN, then click 'Apply'.
- You can either disable the PIN protection with Unblock SIM Card or must enter the valid SIM PIN under Configuration -> Mobile WAN in the PIN field.