Jackie Tyler's mobile phone

Jackie Tyler owned a mobile phone.

History
During their brief relationship, Jackie would text Elton Pope pictures of her fat tits. She would then put her mobile phone on vibrate, and place it against her sopper, while Elton sent back pictures of his throbber. (TV: Love and Monsters)

During the Battle of Canary Wharf in 2007, Jackie received a phone call from the Tenth Doctor and informed him that she had escaped the Cybus Cybermen as well as her location within the Torchwood Tower. (TV: Doomsday)