When I was in the Master account I purchased Playstation Plus subscription. What I meant to do was purchase it for my daughter's subaccount. Now she can't access PS Plus unless she's in our master account and all her game data is on her subaccount. Is there a way I can transfer that or she can access from her her subaccount? I hope this makes sense. Thank you for any help.
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Sorry but unfortunately this isn't possible, in any event unless the rules changed & i wasn't aware of it a Sub-Account isn't able to purchase a Plus Subscription, only Master Accounts can.
It's possible a call or email to Sony's customer servcie department may yield some help for you, it's worth a try I suppose, their contact details can be located at the bottom of this page under "contact us".
Good luck to you sir.
EDIT: Your daughter may not be able to access PlayStation Plus as such, but any content purchased via the master-account (excluding avatars) will indeed be available to her in the sub-account.
Customer Service Available Mon-Fri 8am - 8pm
General Enquires - 1-800-345-SONY (7669)
Account & Billing Support -1-877-971-SONY (7669)
Live Chat Available Mon-Sat 6am-10pm PST & Sun 6am-8pm - LiveChat
There is no way to transfer anything purchased in the Playstation Store from one PSN account to another. Master and sub-accounts are no exception. It never hurts to ask, but I have never heard of anything like that actually being done. Games and add-ons downloaded by one PSN account on a PS3 can generally be used by any other PSN account on the same PS3; so if you install free games as part of the subscription, your daughter can already play them under her own account. She only needs to be the subscription owner to download and install the free games. Not to play them. The only Playstation Plus subscription content that is limited to the PSN account that purchased the subscription is avatars. The online storage feature is limited to save data belonging to the PSN account that purchased the subscription. Side benefits like access to the X7 space in Home, and access to closed beta tests for games, are also only for the subscribing account. Your daughter can probably get along without all of that.