Apple:
Find the serial number as follows:[Settings][General][Info][Serial Number]
Enter the serial number on the following website:
[support.apple.com/specs]
HTC:
Information on the model is generally on the outside of the casing; alternatively in the following menus:
Windows Mobile 6.1: [Start][Settings][System][Device Information][Identity][Model No.]
Windows Mobile 6.5: [Settings][All settings][System][Device Information][Identity]
Android: [Menu][Settings][Info][Model Number]
Motorola:
Information is normally on a CE label on the inside of the casing; if necessary, remove the battery.
Nokia:
*#0000#
RIM:
[Applications][Options][About]
Sony Ericsson:
Information is normally on a CE label on the inside of the casing; if necessary, remove the battery.
Alternatively in the menu: [Settings][General][Phone Status] under Model
LG:
Information is normally on a CE label on the inside of the casing; if necessary, remove the battery.
Samsung:
Information is displayed briefly when the mobile device is switched on.
Palm:
[Device Info] [Name]