The Motorola Atrix 2 is the successor to the Motorola Atrix. The Atrix 2 is available on the AT&T network. It has access to the Webtop functions first seen on the original Atrix. The Atrix 2 has 8 GB of internal storage, and ships with a 2 GB microSD card which can be replaced by a card with a size of up to 32 GB. The Motorola Atrix 2 can be updated from Android 2.3.4 Gingerbread to Android 4.0.4 Ice Cream Sandwich.