(b) used for commercial purposes (including, for example, rental,
(c) opened, modified, or tampered with (including, for example,
any attempt to defeat any Xbox 360 S or Accessory technical
limitation, security, or anti-piracy mechanism, etc.), or its serial
number is altered or removed;
(d) damaged by any external cause (including, for example, by
being dropped, used with inadequate ventilation, etc., or
failure to follow instructions in the instruction manual for the...