iPhone Secret Codes
================
*#06#
It will display your iPhone IMEI. It is an identifier for your mobile phone hardware.
*3001#12345#*
This code opens you field mode which contains all of iPhone personal settings, cell information, and newest network.
*#67#
You can check the number to call forward when the iPhone is busy. And again, but for when the iPhone is busy.
*646# (Postpaid only)
It will display your available minutes.
*225# (Postpaid only)
To check the Bill Balance
*777#
To check the Account balance use this code for prepaid iPhone only.
*#33#
You can check call control bars by using this code. Also for seeing whether barring is enabled or disabled for outgoing you can check all the usual suspects like fax, SMS, voice, information, etc.
*#76#
For checking connected line presentation is enabled or not you can use this code. You can also check whether the connected line presentation is enabled or disabled.
*#21#
You can set inquiry for call forwards. Find the settings for your call forwarding. You will see whether you have the fax, SMS, voice, knowledge, sync, async, paid access & packet access call forwarding enabled or disabled.
*3282#
It will let you know about the use of information info.
*#61#
To check numbers of missed calls.
*#62#
You can verify the number for forwarding calls If there is no service is available.
*3370#
EFR mode Enhanced Full Rate improves your iPhone voice quality, but it will slightly reduce battery life.
*#5005*7672#
To check SMS center.
*331*
Barring code # Outgoing calls abroad to block the lock code to inquire about her please contact your network operator.
*#43#
Call Waiting Status.
*43#
Activate a waiting.
#43#
Deactivate waiting.
*#31#
It allows you hide your number.
#31#Phone-number + call
For outgoing cal anonymity of your current call.
##002# -> Tap call
It will disable all call forwarding.
Samsung Secret Codes
==================
*#06# (Display IMEI number)
*#1234# (Display current firmware)
*#*#4636#*#* (Diagnostic and general settings mode)
*#*#7780#*#* (Factory soft reset) or *#7780#
*2767*3855# (Factory hard reset to ROM firmware default settings)
*2767*4387264636# (To display product code)
*#272*imei#* (Display/change CSC code)
or *#272*HHMM#*
*#*#1472365#*#* (GPS test settings)
*#*#197328640#*#* (Service mode main menu)
*#12580*369# (SW & HW Info)
*#232337# (Bluetooth Address)
*#232331# (Bluetooth Test Mode)
*#232338# (WLAN MAC Address)
*#0228# (ADC Reading)
*#32489# (Ciphering Info)
*#2263# (RF Band Selection)
*#9090# (Diagnostic ConfiguratioN)
*#7284# (USB I2C Mode Control)
*#232339# (WLAN Test Mode)
*#0842# (Vibra Motor Test Mode)
*#0782# (Real Time Clock Test)
*#0673# (Audio Test Mode)
*#0*# (General Test Mode)
*#872564# (USB Logging Control)
*#4238378# (GCF Configuration)
*#0283# (Audio Loopback Control)
*#1575# (GPS Control Menu)
*#3214789650# (LBS Test Mode)
*#745# (RIL Dump Menu)
*#03# (NAND Flash S/N)
*#0589# (Light Sensor Test Mode)
*#0588# (Proximity Sensor Test Mode)
*#273283*255*3282*# (Data Create Menu)
*#34971539# (Camera Firmware Update)
*#526# (WLAN Engineering Mode)
*#746# (Debug Dump Menu)
*#9900# (System Dump Mode)
*#44336# (Sofware Version Info)
*#273283*255*663282*# (Data Create SD Card)
*#3282*727336*# (Data Usage Status)
*#7594# (Remap Shutdown to End Call TSK)
*#0289# (Melody Test Mode)
*#2663# (TSP / TSK firmware update)
*#528# (WLAN Engineering Mode)
*#7412365# (Camera Firmware Menu)
or *#*#34971539#*#*
*#80# (Unknown)
*#07# (Test History)
*#3214789# (GCF Mode Status)
*#272886# (Auto Answer Selection)
*#8736364# (OTA Update Menu)
*#301279# (HSDPA/HSUPA Control Menu)
*#7353# (Quick Test Menu)
*2767*4387264636# (Sellout SMS / PCODE view)
*#7465625# (View Phone Lock Status)
*7465625*782*# (Configure Network Lock NSP)
*7465625*27*# (Insert Network Lock Keycode NSP/CP)
#7465625*27*# (Insert Content Provider Keycode)
#7465625*782*# (Insert Partitial Network Lock Keycode)
*7465625*77*# (Insert Network Lock Keycode SP)
#7465625*77*# (Insert Operator Lock Keycode)
*7465625*638*# (Configure Network Lock MCC/MNC)
#7465625*638*# (Insert Network Lock Keycode)