In this Electronics video tutorial you will learn how to use Bluetooth connectivity to share cell phone files. You are not hacking in to other people's phones as you need their permission to access their phones. You can change ringtones and pictures or share them with your friends. For this both people have to have Bluetooth on. Go to options > Bluetooth > visibility > shown to all. Now go back to Bluetooth and make sure it's ON. Now select 'paired devices'. The same steps have also to be followed on the other phone. Now go to options > service > search for new device. And you should find the other phone. Now click on it, enter the pin number and click OK. The other phone will ask 'pair with unknown device'. Click yes and then enter the passkey. And pairing is completed.