DIR-825 Quick Installation Guide
If you configured the device previously, after access to the web-based interface 
the login page opens. Enter the username (admin) in the  Username  field 
and the password you specified in the Password field, then click the LOGIN 
button.
In order not to log out, move the Stay signed in switch to the right. After 
closing   the  web   browser  or   rebooting   the   device,   you   need   to   enter   the 
username and the password again.
If you enter a wrong password several times, the web-based interface will be 
blocked for a while. Please wait for one minute and reenter the password you 
specified. 
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