*#0206*8376263# - Shows a screen with the PDA/Phone version numbers, H/W and RFCalDate.
*#197328640# - Root debug menu
*#1546792*# - (Executes \Windows\AdminSettings.exe) Shows the Administrator Settings menu. In there:
1. Version - Shows a menu where you can access the version numbers for the PDA and the Software (redirects to the Settings Version applet)
2. Preconfiguration - Password is *#81230*#. Allows to preconfigure the Omnia Operator settings by changing the country and operator. Note: Changing this will hard-reset the device. This won't lock the device with the specified operator.
3. Network-Call Setting:
>1. Power On Attach: (Attach [default] or Detach) ???
>2. Service Domain: (Combined [default], CS or PS) Changes which service domain to use.
>3. Network mode: (Auto [default], GSM or WCDMA) Changes the data connexion mode. WCDMA is 3G.
>4. Network order (Auto [default], GSM first, WCDMA first or No change) Changes which mode to try first when connecting, with Network Mode on Auto.
4. Internal - Password is unknown. I'm not sure what it does.
*#0002*28346# - Opens the Audio control utility, where you can adjust low-level volumes.
*#7465625# - (Executes \Windows\Personalize.exe %LOCK_STATUS_INFO) Shows the status of the Network, Service Provider, SIM or Corporation lock.
*#92782# - (Executes \Windows\uamgr.exe) Shows the UA profile settings.
*#232337# - (Executes \Windows\bthrftest.exe) Shows the Bluetooth RF tester and the device address.
*#32489# - (GSM test) Shows the ciphering status and options to enable or disable it.
*#7451# - (Nothing happens?)
*#7450# - (Nothing happens?)
*#2263# - (Executes \Windows\bandsel.exe -band) (GSM test) Shows the GSM band selection screen, with the options Automatic [default], GSM 850, 900, 1800, 1900, 850/190 and 900/1800.
*#1234# - (Executes \Windows\KSReset.exe #Version) Shows the PDA and the Phone version number.
*#0782# - (Executes \Windows\RTCViewer.exe) Shows the Clock & Alarms settings.
*#0673# - (Executes \Windows\PlaySound.exe) Shows Audio sound tests.
*#9090# - (GSM test) UART/USB settings.
*#0842# - Shows tests for the Vibration, the Back Light and the Alert LED (Power buttton LED).
*#2580# - (GSM test) Integrity settings.
*#0228# - (GSM test) Shows the detailed GSM status: Antenna signal power, served network mode, temperature, Battery, Voltage (Antenna ADC test)
*#2222# - (GSM test) Shows the FTA hardware version.
*#1111# - (GSM test) Shows the FTA software version.
*#0011# - (Executes \Windows\TestMode.exe) (GSM test) Shows some more detailed GSM (Basic Information) status.
*#745# - Dumps SLOG, whatever it is, and shows a message.
*#06# - Shows IMEI number.
*#1*# - (Executes \Windows\Line_KeyTest.exe)
*#0*# - (Executes \Windows\LCDTest.exe) Shows a menu to test LCD colors, bootup melody, vibration, dimming, back camera, front camera, touchscreen, light sensor, sleep mode and mouse. The accelerometer data is also displayed at the bottom
