It's easier said than done.
Get a bunch of people to give you their UDIDs, APTickets and SHSH blobs. Then run a computer program that finds any "keys" that Apple used. Then you can use those keys to generate an APTicket and SHSH blob to anyone who asks for them.
Get a bunch of people to give you their UDIDs, APTickets and SHSH blobs. Then run a computer program that finds any "keys" that Apple used. Then you can use those keys to generate an APTicket and SHSH blob to anyone who asks for them.