For questions truly specific to the "Motorola Defy".
The Motorola Defy is an Android-based smartphone from Motorola (now takeover by Google). The Defy is marketed as water-resistant, dust-resistant, impact- and scratch-resistant by merit of its port covers and Gorilla Glass screen.
Motorola Defy (source: Wikipedia)
Basic specifications include:
- 800 MHz CPU
- 512 MB RAM
- 2 GB internal storage (approx. 1.2 GB user-available)
- support for microSDHC up to 32 GB
- 3.7" display with 854×480 px resolution, using Gorilla Glass
- 5 MPx camera
- built-in FM radio
Full device specifications can be found e.g. at GSMArena.