For questions truly specific to the "HTC Evo 3D" device.
The HTC Evo 3D was released exclusively in the United States through Sprint, and was re-released as a pre-paid smartphone by Virgin Mobile in May 2012 as the HTC Evo V 4G. There are also some GSM variants available in Canada, Europe and Asia.
HTC Evo 3D (source: Wikipedia)
- CPU: Dual-Core, 1.2 GHz Qualcomm MSM8660 (Snapdragon)
- GPU: Qualcomm Adreno 220
- RAM: 1 GB
- internal storage: 4 GB eMMC
- removable: microSD up to 32 GB
- display: 4.3" 960×540 px SuperLCD
- rear camera: 5 MPx
- front camera: 1.3 MPx
Full device specifications are available at GSMArena.