Samsung Focus–Diagnostics commands

via: http://forum.xda-developers.com/wiki/index.php?title=Samsung_Focus

Samsung Focus Diagnostic Mode To access the diagnostic program you will need to dial ##634# from the phone pad.
Diagnostic Commands:

• *#0*# - LCD Test
• *#0002*28346# - Audio control utility.
• *#0011# - Power and Temperature and Network Connection monitoring
• *#0228# - Battery Information
• *#0289# - Melody Test\Test External and Internal Speaker
• *#03# - SMDInfo
• *#05# - Simple test menu
• *#06# - Show IMEI #
• *#0673# - MP3 Test Menu\Shows Audio sound tests
• *#0782# - Shows Clock & Alarms settings
• *#0842# - Vibrate test menu
• *#0987# - Multitouch test
• *#1111# - Show FTA software version
• *#1234# - Shows the PDA and the Phone version number
• *#197328640# - The Root Menu
• *#2*# - Battery Information
• *#2222# - Show FTA hardware version
• *#2263# - RAT Selection option is restricted
• *#232337# - Bluetooth MAC Address
• *#2580# - Integrity Control
• *#3*# - Test Brightness
• *#32489# - (GSM test) Shows the ciphering status and options to enable or disable it.
• *#7284# - USB Path control
• *#745# - Operation (2): Ril log done
• *#7450# - Operation (99):Error Report off done
• *#7451# - Operation (99):Error Report off done
• *#7465625# - Shows status of the Network Service Provider SIM or Corporation lock
• *#770# - Operation (99):Vphone 770 done!
• *#771# - Operation (99):Vphone 771 done!
• *#772# - Operation (99):Vphone 772 done!
• *#773# - Operation (99):Vphone 773 done!
• *#774# - Operation (99):Vphone 774 done!
• *#775# - Operation (99):Vphone 775 done!
• *#776# - Operation (99):Vphone 776 done!
• *#777# - Operation (99):Vphone 777 done!
• *#778# - Operation (99):Vphone 778 done!
• *#779# - Operation (99):Vphone 779 done!
• *#780# - Operation (99):SR Test done!
• *#9090# - Diag Config\UART/USB settings
• *2767*3855# - Full Reset (Caution every stored data will be deleted.)

Tethering Currently instructions only apply to AT&T network, USA.

• Open the phone screen composition
• Enter the code: # # 634 # > Press Call<br.
• This will open a new screen will be similar but in test mode
• Then type in the code * # 7284 # > Press Call
• See the screen that you see in the picture > Select Tethered
• The phone will restart
• Attach the USB cable to your phone and PC and wait for it to install drivers
• You will see the phone modem and you can configure the data connection
• number: *99***1#
• user name: WAP@CINGULARGPRS.COM
• password: CINGULAR1