How to test an iPhone application update?

Question

I already have an iPhone application (version 1.0) available in the App Store and am ready to submit a newer version (version 1.1). How do I test the new upgrade to make su

Answer 1

Test like so:

1. delete app from device.
2. install v1.0 app (or .ipa file) into iTunes
3. sync to device, iTunes will install the app
4. launch app on device, create and save data, etc.
5. quit app on device
6. install v1.1 app (or .ipa file) into iTunes; iTunes will ask to confirm replacing older version of the app.
7. sync to device, iTunes will update the app
8. launch app on device
9. test using existing data with new version of the app.