It depends on your make of phone, I guessing yours is an Android so:
Click on settings>
Tehtering and portable hotspot (or similar)>
Set up Wi-Fi hotspot(or similar)>
Your wi-fi password should show.
Different Android phones will be slightly different so that is why I have said "or similar"
__________________________________________________________________________ I’m a Yes Crowd Champion (not an Optus employee). I share my knowledge on Yes Crowd on a voluntary basis. If I answered your question, please mark it as a Accepted Solution. If I helped you out, hit that Kudos button