> The jailbreaking of smartphones continued to be legal "where circumvention is accomplished for the sole purpose of enabling interoperability of [lawfully obtained software] applications with computer programs on the telephone handset." However, the U.S. Copyright office refused to extend this exemption to tablets, such as iPads, arguing that the term "tablets" is broad and ill-defined, and an exemption to this class of devices could have unintended side effects.
Damn, I should have paid attention to that niggling doubt about whether it was wise to cite Wikipedia, but I saw that there were footnotes and I assumed they were still accurate. Thank you for updating the article!