Where do I find the IMEI # ?
On many devices, the IMEI number can be retrieved by entering *#06#, or is located in the battery compartment.
Android : Settings --> About Phone
Blackberry : Options --> Status
iOS : Settings --> General --> About
Sony Ericsson (New Devices) : Options --> status.
Sony Ericsson (Old Devices) : Dial * Right * Left Left * Left