How to change the login password?

wifitoto loginApplication introduction: Just like the keys on the door, the management password (login password) is the credentials of the login router. If you forget your router's management password, like losing the pocket of the key, is unable toHow to change the login password? It is suitable for N100RE, N150RH, N150RT, N151RT, N200RE, N210RE, N300RT, N301RT , N300RH, N302R Plus, A702R,