Hellphone is a 2007 French comedy horror film co-written and directed by James Huth and starring Jean-Baptiste Maunier, Jean Dujardin and Édouard Collin.

Tiger butts in, making up a lie that Sid had to cancel his cellphone plan because a crazy Russian ex-girlfriend was stalking him.

She is only able to spare €30 and Sid resolves to ask money from his boss, Mr. Fritz, at the fast food restaurant where he works.

After school, Sid and Tiger visit their favorite skate shop but are disappointed to find out the ownership has changed.

Sid manages to small talk with her and when he hangs up, he is surprised to see Margot on his recently made calls list.

Annoyed with their talking, the Mr. Mazeau, the teacher, flicks a piece of chalk at Sid's head and demands for him to answer a particularly difficult question.

However, the teacher believes Sid cheated with his cellphone's calculator and confiscates it, throwing it out of the classroom window.

As they ponder how the phone knew the correct answer, Sid and Pierre see Angie and her friends being walked to their next class by Virgile and his entourage.

Becoming increasingly dependent on the phone's powers, Sid uses it to get a date with Angie, forcing Virgile's father to give him a racing car, asking Mr. Fritz for time off (killing him in the process) and obtaining a nice suit.

A crowd of possessed students forcefully bring Tiger to listen to the call as he holds the nitrogen ready, promising him power if he kills Sid instead, but he still drops the phone inside the tank, revealing that his earplugs made him immune to the phone's call.

In the end, the three surviving protagonists throw the frozen phone overboard on a ship as Sid and Angie kiss.