Tennessee Code Title 40. Criminal Procedure § 40-6-110

(1) “Cellular telephone” means a wireless telephone authorized by the federal communications commission to operate in the frequency bandwidth reserved for cellular radio telephones;

(2) “Cellular telephone data” means any data that is stored in a cellular telephone including telephone numbers, addresses, pictures, documents, texts, videos, music and any other information that is stored in a cellular telephone; and

(3) “Law enforcement officer” means any person authorized to effectuate an arrest who is employed by the state, or a county, municipality or metropolitan form of government.

(1) The officer has obtained a search warrant issued pursuant to this part or Rule 41 of the Tennessee Rules of Criminal Procedure;

(2) The owner of the cellular telephone or the person in possession of the cellular telephone at the time it is seized gives the officer informed consent for the officer to search the cellular telephone; or

(3) Exigent circumstances exist at the time of the seizure requiring the officer to search the cellular telephone.