If you have 3g or 4g on your iPhone use it to connect other devices such as a iPad or iPod (that doest have 3g) and connect to the internet. To do this all you have to do is turn on your personal hotspot. Step by step instrutions below:
1. Go to settings on your iPhone and click on personal hotspot ( now turn on personal hotspot). Which should be just below Bluetooth. If not go settings – general – mobile date – personal hotspot – then turn on.
2. Take not of the wi-fi Password that will appear just below were you have turned on personal hotspot.
3. Then on the device you would like to connect go to setting – wi-fi – then were it says choose a network click on the iPhone you have just set the the personal hotspot up on.
4. Finally add the wi-fi password that you have taken note of.
Boom you should now be able to use your device and have full internet connection.
Need any help feel free to blog