This is what I mean by lots of problems (
Sprint Official Known Issues and Investigations for the HTC Evo3D - Android Forums at AndroidCentral.com)
Heres the list (As you can see, dead pixels and damaged SD card is on it.)
1. "Mirror" application missing after 2.08 update
2. Power cycling after update to 2.08.651.2
3. Distorted lines or images may be seen around a widget
4. Power Cycling
5. Certificate issues after Gingerbread update
6. The 3D camera images appear to not properly merge together
7. Green Hornet reported "missing" from SD card at purchase
8. Unit is freezing at random and requires a battery pull to function again
9. Unit appears to have a backlight on when battery is attached but unit is powered off
10. Unit may appear to have contamination in layers of the screen
11. Unit boots up with force close of several programs
12. Unit may appear to have a dead pixel
13. Backlight may not fully illuminate, dark sections may be noted
14. Full or partial capacitive grid failure, bottom row of buttons unresponsive
15. Screen appears to have a small crack noted under lens.
16. Bottom row of 4 buttons may light up but be unresponsive to touch
17. Unit hangs after boot up sequence starts and attempts to load userdata partition
18. Camera function not working properly, loading up to a black screen
19. "Snooze" function dismisses calendar event notifications.
20. Wording in the Make more space area within Internal Storage does not flow cleanly
21. EVO 3D may power on with fully pixelated or all black display
22. EVO 3D devices DOA out of box
23. Deleted media may still be seen in the .thumbnail folder
24. Contact name and number not fully displaying in landscape message mode
25. Power button sticks/inoperable
26. Clearing notifications in the dropdown removes the new unread message notification on application
27. Weather lockscreen does not properly display 3 digit temperatures
28. Pictures sent to Picasa web albums may display only a partial picture
29. HTC Watch app hangs while acquiring license
30. Unable to add "Phone" shortcut to weather lock screen once removed
31. HTC HUB on EVO 3D has incorrect picture on link
32. Unable to switch video trim after selecting "Play in 3D"
33. Device does not recover from lock screen gracefully after "Play in 3D" is selected
34. SD Card damaged by EVO 3D
35. GPS coordinates for Footprints stays in Taiwan
36. Birthday off between facebook and contacts in people
And theres probably more.