Its your main account on Playstation Network.Subs are extra accounts for family or people.
you can not change it, the account that you using is the master you need to go to another account for it to be master account or you can add other accounts hope this helps.
A 'Master' account only means something in the context of having a sub account associated with it. By that I mean, any normal account becomes a master account if you create a sub account on it. So you don't technically create master accounts.
there is no master password for yahoo mail account
You can not make a sub account into a master account because it is already under a Playstation master account. If you create a new account under a different name you lose your trophies and game saves
First you must sign into the master account and it is part of the edits to the master account
Master Accounts are the standard type of account used on the PlayStation Network. Sub Accounts will be created based on the age of the account holder. Users under 18 will automatically be creating a sub account and must be created in association with a master account.
A Master account is just a normal Playstation Account. The related link has a video
They are added under a master account. see related links
A master account is for people over 18 and people with sub account like kids/people under 18 need a master account so it is like saying "My kid can use PSN" or they will not be able to log on
Master Accounts are the standard type of account used on the PlayStation Network. Master Accounts can be created by registered users of the PlayStation Network of a specified age or older.
Log into the master account and go to account settings
If you have PayPal very easy !!