Login to Router administrator board utilizing its default IP Address – 192.168.0.1/192.168.1.1. Enter the default username and secret word (administrator/administrator as a rule). Explore to Wireless > Wireless Security > WPA/WPA2 – Personal (Recommended) > Password . Enter your favored secret word and Save the change. The default IP address is 192.168. 0.1. At the login, enter the username (administrator) and your secret word (default secret phrase is nothing). Note: If you have overlooked this secret phrase, you will have no real option except to reset the switch to industrial facility defaults.Know More : https://www.findbestexperts.com/2020/02/19216801-admin-password-reset-dial-now.html