i have an iphone 4s and i have it on orange, but its coming up EE and i am unable use the internet on it unless connected with wifi, does anyone know why thanks i have mobile internet just cant use it thanks
Try turning your iPhone off completely by pressing and holding the button on the top until you get the 'slide to power off' message. Do that then wait a few minutes before turning back on (press and hold down the top button again).
If after that, you still have no cellular data connection, do a network reset by going to Settings>General>Reset>Reset Network Settings. Follow the prompts and your iPhone will automatically reboot. You will need to re-enter your wifi password after doing this, no other data will be lost.