You can change the colour as follows (but:


if (floor(NSFoundationVersionNumber) > NSFoundationVersionNumber_iOS_6_1)
{
	[[UIBarButtonItem appearanceWhenContainedIn:[UINavigationBar class], nil] setTitleTextAttributes:[NSDictionary dictionaryWithObjectsAndKeys:[UIColor whiteColor], UITextAttributeTextColor,nil] forState:UIControlStateNormal];		//Set back button color
	[[UINavigationBar appearance] setTintColor:[UIColor whiteColor]];		//Set back button arrow color
}