Android service menu

The mobile operating system Android has a hidden service menu where some information about the phone can be viewed (Phone information, Battery information, Battery History and Usage statistics). To access this menu open the dialer and dial:

In numbers:

I have tested this on my HTC Desire (Android 2.1 and 2.2) and in an emulator (Android 2.1). The following screen is shown:

Service menu
Service menu

In Phone Information you can see some information about the phone, current network and data connection (modify settings or pressing buttons is at your own risk!):

Phone information
Phone information

For more information about these settings and other menu items see this post.

Update August 15 2010:

In Android 2.2 the service menu is extended with Wifi information.

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