Superphone " Superphone " was the nickname Rose Tyler gave to her mobile phone after it was altered by the Ninth Doctor , giving it the ability to communicate through time and space . ( TV : " World War Three " ) Similar " superphones " were created by the Doctor for many of his companions after Rose . The Doctor had one of his own . Overview . Abilities . A superphone could be used to make telephone calls through time and space . It could also work in places where there was no phone service . The Doctor altered Rose ' s mobile phone into a superphone by adding a chip into it , enabling Rose to call her mother Jackie while on her adventures with the Doctor . Rose had experienced distress at the thought of going to a time period where her mother would quite likely be long dead by then , which prompted the Doctor to modify her mobile to contact Jackie in real time elapsed from the point she entered the TARDIS . ( TV : " The End of the World " ) The Tenth Doctor altered Martha Jones ' phone into a superphone , this time using only his sonic screwdriver rather than a technological addition to the phone , imparting it with " Universal Roaming " service . ( TV : " 42 " ) Donna Noble ' s phone was enhanced by the Doctor as well . ( TV : " The Doctor ' s Daughter " ) The Doctor altered Barclay ' s phone to call UNIT . ( TV : " Planet of the Dead " ) The Doctor also added Universal Roaming to Gabby Gonzalez ' s phone using the sonic screwdriver . He told her messages could be sent to the screwdriver or the psychic paper . In this particular upgrade , Gabby received a " Doctor " app on her phone through which the messages could be sent . ( COMIC : " The Fountains of Forever " ) There were at least two superphones available for use in the Eleventh Doctor ' s TARDIS : Amy ' s phone and a flip phone occasionally used by the Doctor . ( TV : " The Doctor ' s Wife " ) Rory also possessed a superphone . ( TV : " Dinosaurs on a Spaceship " ) Examples of use . During the Slitheen crisis , Jackie Tyler called her daughter . Rose ' s superphone was the only phone working in the sealed Cabinet Room . It provided an outside line for the Ninth Doctor to communicate with Mickey Smith and Jackie and coordinate efforts against the Slitheen . Using the connection , the two groups figured out the Slitheen ' s weakness . The Doctor talked Mickey through shooting a Harpoon missile at 10 Downing Street , destroying the Slitheen . Later , Rose received a call on it from the Doctor in the TARDIS . ( TV : " World War Three " ) Abuse of the superphone . Adam Mitchell used Rose ' s superphone to phone his mother in his own time to send knowledge of the future back to his time for his own gain . Knowing the potential damage he could do to the natural course of history , coupled with an experience where Adam ' s underhanded behaviour during a journey to Satellite Five nearly got everyone killed , the Doctor expelled him from the TARDIS . Furthermore , he used the sonic screwdriver to overload and obliterate the phone in his mother ' s house to ensure the messages he left on its answering machine would be irrecoverable . ( TV : " The Long Game " ) Other uses . While stuck on Pete ' s World , Rose ' s superphone still worked . She used it to find out about that world . During the invasion of the Battersea power station , the Tenth Doctor had Mickey find a much needed code . He transmitted it to Rose ' s phone via text . The Doctor plugged the phone into a nearby console and the code shut down the Cybermen ' s inhibitors , defeating them . The Doctor had Mickey keep Rose ' s superphone , as it had the code he needed programmed into it . ( TV : " The Age of Steel " ) While stuck on a ship falling into a sun , Martha ' s phone was modified by the Tenth Doctor to call her mother . During her travels with the Doctor , she did this a lot , unaware her calls were being monitored . When she needed to answer a trivia question , Martha called her mother to look it up on the Internet . ( TV : " 42 " ) Following her ordeal during the " Year That Never Was " , Martha Jones gave her phone to the Doctor to contact him should he ever be needed . ( TV : " Last of the Time Lords " ) Martha called him , bringing him back to Earth to assist with UNIT ' s investigation of the ATMOS facility . ( TV : " The Sontaran Stratagem " ) The Doctor later modified Donna Noble ' s phone to call Martha Jones . ( TV : " The Doctor ' s Daughter " ) Martha ' s phone was also used by Torchwood , Mr Smith and Harriet Jones , all using the Cardiff rift to contact the Doctor when Earth was teleport ed to the Medusa Cascade by Davros . ( TV : " The Stolen Earth " ) When he was stuck on San Helios , the Doctor modified Barclay ' s phone into a superphone to communicate with UNIT on Earth . The Doctor used it to communicate with Doctor Malcolm Taylor and Captain Erisa Magambo to find a way back and deal with the threat of the stingrays . Even though his phone was unmodified , Nathan called the Doctor on the superphone , showing that any phone could call a superphone , no matter where it was . The Doctor brought the people on the 200 home . He used the phone to tell Malcom to close the wormhole despite being hung up on twice . What happened to it afterwards is unknown . ( TV : " Planet of the Dead " ) Apparently Lady Christina de Souza either learned of the Doctor ' s superphone number or obtained Barclay ' s phone , as at one point the Doctor answered his superphone in the TARDIS thinking it was Christina calling him . It was actually Martha . ( COMIC : " Tesseract " ) When the Doctor briefly suffered a retro - regeneration , his psychic paper sent a telepathic feedback to Gabby ' s superphone , allowing her to access the messages on it and find the Doctor ' s location . ( COMIC : " The Fountains of Forever " ) Canton Everett Delaware III used Amy Pond ' s mobile phone to receive a call from the Eleventh Doctor ' s flip phone in 1969 , before cell networks existed , indicating that both phones must have been upgraded by the Doctor at some point . The Doctor used Amy ' s phone to keep in touch with her when she and Rory were trapped in the TARDIS . ( TV : " The Doctor ' s Wife " ) Clara Oswald ' s phone was capable of video - calling to and from the TARDIS . ( TV : " Before the Flood " ) Strengths and weaknesses . A superphone had the ability to call the person the caller was looking for no matter where in time or space they were , referred to as " free roaming " . It locked onto the the user ' s relative time . The only exception to this last was the Doctor himself . It worked in areas with no service , as proven when the Ninth Doctor , Rose , and Harriet Jones used Rose ' s superphone to communicate with Jackie Tyler and Mickey Smith while trapped in the cabinet room , which should have been impossible . ( TV : " World War Three " ) Rose could not get any reception on the planet Krop Tor , but was startled when she received a call foreshadowing the Beast ' s escape . ( TV : " The Impossible Planet " ) Martha also had trouble contacting the Doctor when the Earth was forced out of sync with the rest of the universe . She found her phone couldn ' t contact the superphone . As Martha herself said , this was probably because the Daleks were blocking all interstellar transmissions . Wilf and Sylvia could not contact Donna ' s superphone with their normal phone and Rose Tyler ' s superphone was also non - functional . ( TV : " The Stolen Earth " ) When the Doctor modified Donna ' s phone , he called Martha on it despite her being on a different planet and the phone she used being an ordinary mobile phone . When he used Barclay ' s modified phone , Nathan called him despite being on the same planet as he was . This indicates that any phone could call the superphone or could be called by it , no matter if it had service or not . Rory Williams once found a superphone on the TARDIS and used it to access the Internet . Because the TARDIS had no firewall s , Rory ' s dabbling resulted in the TARDIS being flooded by holographic spam . ( COMIC : " Spam Filtered " ) Despite being able to communicate across time , Clara ' s phone was still unable to get a signal when taken inside the Faraday cage at the mining facility called The Drum . ( TV : " Before the Flood " ) Precursors . The Second Doctor modified Brigadier Lethbridge - Stewart ' s mobile radio , boosting it through the TARDIS communication systems to function through the TARDIS ' forcefield , though it lacked the range to work after the TARDIS and the surrounding laboratory had been taken to the anti - matter universe . ( TV : " The Three Doctors " ) The Fifth Doctor and Nyssa created an experimental device called a temporal interocitor to communicate across spacetime . This device was implied to be a prototype for the superphone . ( AUDIO : " Renaissance of the Daleks " )