Installing a Developer-version app on the iPhone
I joined the Apple iOS Developer Program (you'll need to if you plan to install apps on your phone prior to submitting to the App Store). It's $99/year.
A little glitch with their Activation code (error validating my name or something) but after notifying support it was resolved within a few hours.
I then went about creating a Developer Provisioning profile which allows you to install an app on the phone. Since I already had a bunch of apps I made with PhoneGap I just picked one of those. Actually most of the work is completely separate from the app itself. Apple has a straightfoward Provisioning Assistant that walks you through all the steps, from certificates to profiles. I've attached a variety of screenshots below.
Once you have the app id you just copy it to the Bundle Identifier in the .plist file in Xcode. Unfortunately I couldn't deploy the app to the phone because the phone uses a new version of the iOS (5.x) whereas the one with xCode was only 4.3. So I am now downloading xCode v4.2 which hopefully will work on my Snow Leopard OS. I don't have the latest OS for my Mac (Lion).
