My understanding is that no contract can prevent you from doing what you want with stuff you buy, including disassemble, study, repair, modify, or any use in a

My understanding is that no contract can prevent you from doing what you want with stuff you buy, including disassemble, study, repair, modify, or any use in a non-intended way. IP still apply so it doesn't give you the right to share any information you may find, except for "interoperability purposes".