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6.3  Add devices to the blacklist 
Add devices to the blacklist to block the internet access: 
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  Click Bandwidth Control. 
Step 3
 
Click   corresponded to the device to be blocked to change the status to  . 
 
Step 4  Click OK at the bottom of the page. 
---End 
The blocked device is shown in the blacklist.