Apple may be working on a new integrated micro-SIM card solution for a future iPhone model, according to a report from GigaOM. Citing sources inside European carriers, the report states that Apple has been working with SIM-card manufacturer Gemalto to create a SIM card that will be integrated directly into the iPhone and can be activated on any carrier. Customers could then simply buy the iPhone and use an App Store application to sign up for serviceā¦