Can you install blue tooth onto a mobile phone if you don't have it???? anyone?

Question

Like if your mobile phone doesnt have bluetooth can you install bluetooth onto the actual mobile phone. As in the bluetooth that sends files and stuff

Answer 1

If you don't have what? the phone? the bluetooth capability on the phone? the blue tooth headset?

Answer 2

Bluetooth needs hardware to work so in order to have it you need to  buy a bluetooth transmitter that will plug into your phone's headset jack. I think Logitech makes one.  

Answer 3

if your phone doesnt support bluetooth, then theres nothing you can do. bluetooth is hardware.