Phone Special Codes

• Field Mode: *3001#12345#*
  Type *3001#12345#* into your phone’s dialer and then press the green call button to access “Field Mode,” which can give you access to info about local networks and cell towers
• General Test Mode: *#0*#
  Test operations (only Android?)
• Display your IMEI: *#06#
• Check Your Call Forwarding: *#67#
  This code allows you to check which number your phone is currently forwarding calls to when you’re busy or reject a call. By default, this is probably your carrier’s voicemail service
• Get Even More Info on Call Forwarding: *#61#
• Check Your Available Minutes: *646#
• Check Your Bill Balance: *225#
• Hide Your Phone From Caller ID: #31#
  For one instance dial code just before the phone number
• Show Your Phone From Caller ID: *31#
• Check Your Billing Cycle: *3282#
• SMS Message Center: *5005*7672#
• Activate Call Waiting: *43#
• Deactivate Call Waiting: #43#</li>
• Quick Test Menu (Samsung Galaxy Only) *#7353#
• Firmware (Samsung Galaxy Only) *#1234#