Samsung E720,E730,D500 secret codes

Following codes are for D500, it might work for e720/E730(though it is dependent on phones firmware). *#1111# S/W Version *#1234# Firmware Version *#2222# H/W Version *#8999*8376263# All Versions Together *#8999*8378# Test Menu *#4777*8665# GPSR Tool *#8999*523# LCD Brightness *#8999*377# Error Menu *#8999*327# EEP Menu *#8999*3825523# Don’t Know. *#8999*667# Debug Mode *#92782# PhoneModel (Wap) #*5737425# JAVA Mode *#2255# Call List *#232337# Bluetooth MAC Adress *#5282837# Java Version #*4773# Incremental Redundancy #*7752# 8 PSK uplink capability bit #*7785# Reset wakeup & RTK timer cariables/variables #*7200# Tone Generator Mute #*3888# BLUETOOTH Test mode #*7828# Task screen #*#8377466# S/W Version & H/W Version #*2562# Restarts Phone #*2565# No Blocking? General Defense. #*3353# General Defense, Code Erased. #*3837# Phone Hangs on White screen #*3849# Restarts Phone #*3851# Restarts Phone #*3876# Restarts Phone #*7222# Operation Typ: (Class C GSM) #*7224# !!! ERROR !!! #*7252# Operation Typ: (Class B GPRS) #*7271# CMD: (Not Available) #*7274# CMD: (Not Available) #*7337# Restarts Phone (Resets Wap Settings) #*2787# CRTP ON/OFF #*2886# AutoAnswer ON/OFF #*3737# L1 AFC #*5133# L1 HO Data #*7288# GPRS Detached/Attached #*7287# GPRS Attached #*7666# White Screen #*7693# Sleep Deactivate/Activate #*7284# L1 HO Data #*2256# Calibration info? (For CMD set DEBUGAUTONOMY in cihard.opt) #*2286# Databattery #*2527# GPRS switching set to (Class 4, 8, 9, 10) #*2679# Copycat feature Activa/Deactivate #*3940# External looptest 9600 bps #*4263# Handsfree mode Activate/Deactivate #*4700# Please use function 2637 #*7352# BVMC Reg value (LOW_SWTOFF, NOMINAL_SWTOFF) #*2558# Time ON #*3370# Same as 4700 #*3941# External looptest 115200 bps #*5176# L1 Sleep #*7462# SIM Phase #*7983# Voltage/Freq #*7986# Voltage #*8466# Old Time #*2255# Call Failed #*5187# L1C2G trace Activate/Deactivate #*5376# DELETE ALL SMS!!!! #*6837# Official Software Version: (0003000016000702) #*7524# KCGPRS: (FF FF FF FF FF FF FF FF 07) #*7562# LOCI GPRS: (FF FF FF FF FF FF FF FF FF FF FF FE FF 01) #*2337# Permanent Registration Beep #*2474# Charging Duration #*2834# Audio Path (Handsfree) #*3270# DCS Support Activate/Deactivate #*3282# Data Activate/Deactivate #*3476# EGSM Activate/Deactivate #*3676# FORMAT FLASH VOLUME!!! #*4760# GSM Activate/Deactivate #*4864# White Screen #*5171# L1P1 #*5172# L1P2 #*5173# L1P3 #*7326# Accessory #*7683# Sleep variable #*8465# Time in L1 #*2252# Current CAL #*2836# AVDDSS Management Activate/Deactivate #*3877# Dump of SPY trace #*7728# RSAV #*2677# Same as 4700 #*3797# Blinks 3D030300 in RED #*3728# Time 2 Decod #*3725# B4 last off #*7372# Resetting the time to DPB variables #*7732# Packet flow context bit Activate/Deactivate #*6833# New uplink establishment Activate/Deactivate #*3273# EGPRS multislot (Class 4, 8, 9, 10) #*7722# RLC bitmap compression Activate/Deactivate #*2351# Blinks 1347E201 in RED #*4472# Hysteresis of serving cell: 3 dB #*2775# Switch to 2 inner speaker #*9270# Force WBS #*7878# FirstStartup (0=NO, 1=YES) #*3757# DSL UART speed set to (LOW, HIGH) #*8726# Switches USBACM to Normal #*8724# Switches USBACM to Generator mode #*8727# Switches USBACM to Slink mode #*8725# Switches USBACM to Loop-back mode #*3838# Blinks 3D030300 in RED #*2077# GPRS Switch #*0277# GPRS Switch #*22671# AMR REC START #*22672# Stop AMR REC (File name: /a/multimedia/sounds/voice list/ENGMODE.amr) #*22673# Pause REC #*22674# Resume REC #*22675# AMR Playback #*22676# AMR Stop Play #*22677# Pause Play #*22678# Resume Play #*77261# PCM Rec Req #*77262# Stop PCM Rec #*77263# PCM Playback #*77264# PCM Stop Play #*2872# CNT *#8999*364# Watchdog ON/OFF #*8370# Tfs4.0 Test 0 #*36245# Turns Email TestMenu on. *2767*22236245# Email EPP set (….)! *2767*837836245# Email Test Account! *2767*29536245# Email Test2 Account! *2767*036245# Email EPP reset! *2767*136245# Email EPP set (1)! *2767*736245# Email EPP set (7)! *2767*3036245# Email… *2767*3855# = E2P Full Reset *2767*2878# = E2P Custom Reset *2767*927# = E2P Wap Reset *2767*226372# = E2P Camera Reset *2767*688# Reset Mobile TV #7263867# = RAM Dump (On or Off) *2767*49927# = Germany WAP Settings *2767*44927# = UK WAP Settings *2767*31927# = Netherlands WAP Settings *2767*420927# = Czech WAP Settings *2767*43927# = Austria WAP Settings *2767*39927# = Italy WAP Settings *2767*33927# = France WAP Settings *2767*351927# = Portugal WAP Settings *2767*34927# = Spain WAP Settings *2767*46927# = Sweden WAP Settings *2767*380927# = Ukraine WAP Settings *2767*7927# = Russia WAP Settings *2767*30927# = GREECE WAP Settings *2767*73738927# = WAP Settings Reset *2767*49667# = Germany MMS Settings *2767*44667# = UK MMS Settings *2767*31667# = Netherlands MMS Settings *2767*420667# = Czech MMS Settings *2767*43667# = Austria MMS Settings *2767*39667# = Italy MMS Settings *2767*33667# = France MMS Settings *2767*351667# = Portugal MMS Settings *2767*34667# = Spain MMS Settings *2767*46667# = Sweden MMS Settings *2767*380667# = Ukraine MMS Settings *2767*7667#. = Russia MMS Settings *2767*30667# = GREECE MMS Settings *#7465625# = Check the locks *7465625*638*Code# = Enables Network lock #7465625*638*Code# = Disables Network lock *7465625*782*Code# = Enables Subset lock #7465625*782*Code# = Disables Subset lock *7465625*77*Code# = Enables SP lock #7465625*77*Code# = Disables SP lock *7465625*27*Code# = Enables CP lock #7465625*27*Code# = Disables CP lock *7465625*746*Code# = Enables SIM lock #7465625*746*Code# = Disables SIM lock *7465625*228# = Activa lock ON #7465625*228# = Activa lock OFF *7465625*28638# = Auto Network lock ON #7465625*28638# = Auto Network lock OFF *7465625*28782# = Auto subset lock ON #7465625*28782# = Auto subset lock OFF *7465625*2877# = Auto SP lock ON #7465625*2877# = Auto SP lock OFF *7465625*2827# = Auto CP lock ON #7465625*2827# = Auto CP lock OFF *7465625*28746# = Auto SIM lock ON #7465625*28746# = Auto SIM lock OFF **NB:*#8999*228# or *#9998*228# will show you how much charge the battery has in %. It even gives the temperature.