In a recently published support document, Apple outlined several guidelines and parameters for third-party developers of browsers and email apps, which they'll need to comply with for replacing the company's own default clients on the iPhone.
Apple lays down the ground rules for default third-party browser and email apps
In a recently published support document, Apple outlined several guidelines and parameters for third-party developers of browsers and email apps, which they'll need to comply with for replacing the company's own default clients on the iPhone.