Stuck in prison?
Why not have carrier pigeons smuggle in cellphone parts to you?
http://www.engadget.com/2009/04/16/devious-carrier-pigeon-caught-trying-to-smuggle-cellphone-parts/
http://www.engadget.com/2009/04/16/devious-carrier-pigeon-caught-trying-to-smuggle-cellphone-parts/