How to access your WLAN details and change it
1) Download Router Set-up Page from PlayStore.
2) then click on your Router page.
3) They will ask for user and password.
4) You have to enter your router IP no.
And search google for username nd password
5) After u login in find something called “Wireless info”
6) It may be in different name sometimes
7) Now u can view your Wi-Fi password or edit it or change username etc.