Which United States Supreme Court case indicated that the search-incident-to-arrest doctrine does not permit a police officer from searching a smart phone of an individual who was arrested without a warrant?

Question

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In Riley v.California,the Court held that the search-incident-to-arrest doctrine does not justify a search of an arrestee's cellphone or smartphone and that a warrant is necessary in order for such a search to be reasonable for Fourth Amendment purposes.

Which United States Supreme Court Case Indicated That the Search-Incident-To-Arrest