The International Mobile Equipment Identity - a unique 15-digit code used to identify an individual GSM mobile telephone to a mobile network. It can be displayed on most phones by dialling *#06#. It is also usually printed on the compliance plate under the battery.
ou can check all known information regarding manufacturer, model type, and country of approval of a handset.--http://www.numberingplans.com/?page=analysis&sub=imeinr
Retrieving IMEI Information from an older Sony or Sony Ericsson handset can be done by entering these keys: Right * Left Left * Left * (Other service menu items will be presented with this key combination).
The IMEI information can be retrieved from most older Nokia mobile phones by pressing *#92702689# (*#WAR0ANTY#), this opens the warranty menu in which the first item is the serial number (the IMEI). The warranty menu also shows other information such as the date the phone was made and the life timer of the phone.
Central Equipment Identity Register is a database of the IMEI numbers of blacklisted handsets. If a device's IMEI number is listed on CEIR, it is not supposed to work on any service provider.--http://www.gsmworld.com/using/security/index.shtml
A common usage of the CEIR is with stolen cellphones. Once a user reports to the operator about the theft, the cell phone's IMEI number goes to CEIR, supposedly making the device unusable in any network (although this does not always work).
At present, there are over 40 operators connected to the IMEI DB from the following countries:
- Belgium
- Chile
- Cyprus
- Czech Republic
- Denmark
- Finland
- France
- Germany
- Greece
- Hungary
- Ireland
- Italy
- Kenya
- Malta
- Norway
- Portugal
- South Africa
- Spain
- Sweden
- United Kingdom
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