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11.2.2  Disable PIN lock for the SIM card 
After disable PIN lock for the SIM card, your SIM card will not be protected by PIN lock. 
Configuring procedure: 
Step 1  Start a web browser on a device connected to the router and visit tendawifi.com to log in 
to the web UI of the router. 
Step 2  Choose Advanced Settings > SIM PIN. 
Step 3  Disable PIN Lock. 
 
Step 4  Enter the original PIN Code, and click Save. 
 
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