Type *#61# and press call - Check redirection status.Cancel all redirections: ##002#*43# to activate call waiting, to deactivate #43#.If your phone doesn\'t have incoming call barring and outgoing call barring, you can try this.For outgoing call barring dial*33*barcode*# and pres OK. Todeactivate it dial#33#barcode*#.On any phone on any network. On any phone on any network type in **43# to enable conference calls. You can make up to 7 calls at onceIf you need to block SMS reception (if you are spammed by someone) just press this code:*35*xxxx*16#xxxx is your Call Barring code (default is 0000).To remove this barring type:#35*xxxx#If you want to hide/show your phone number when calling, Typing *0# or *nm# on the beginning of a txt message gives you detailed delivery report on some networks.. But turn off reports in message settings before.When the sim card-pin blocked type **042*pin2 old*newpin2*newpin2*Airtel Secret CodesDial *123# to see your credit balance. Dial *110# and follow the options.Dial *109*9898631902# to display the call cost after each call.If you are in Indiausing IDEA Preor Postpaid connection then dial*101# you will get a secret menu that will let you to activateor deactivate any supported Idea package for your mobile.Software version: *#9999#IMEI number: *#06#Serial number: *#0001#Battery status- Memory capacity: *#9998*246#Debug screen: *#9998*324# -*#8999*324#LCD kontrast: *#9998*523#Vibration test: *#9998*842# -*#8999*842#Alarm beeper - Ringtone test :*#9998*289# - *#8999*289#Smiley: *#9125#Software version: *#0837#Display contrast: *#0523# -*#8999*523#Battery info: *#0228# or*#8999*228#.Display storage capacity:*#8999*636#Display SIM card information:*#8999*778#Show date and alarm clock:*#8999*782#The display during warning:*#8999*786#Samsung hardware version:*#8999*837#Show network information:*#8999*638#Display received channel number and received intensity:*#8999*9266#*#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 LOG Menu*#8999*327# EEP Menu*#8999*667# Debug Mode*#92782# PhoneModel (Wap)#*5737425# JAVA Mode*#2255# Call List.*#2255# Call List*#232337# Bluetooth MAC Adress*#5282837# Java VersionType in *#0000# on a Samsung A300 to reset the languageMaster reset(unlock). #*7337# (for the new samsungs E700 x600 but not E710). Samsung E700 type *#2255# to show secret call log (not tested). Samsung A300, A800 phone unlock enter this *2767*637#. Samsung V200, S100,S300 Phone unlock.*2767*782257378#.
Service codes Samsung: E900 software version:*#5002*8376263# E900 full reset: *2767*3855# Service codes Spice: S404 enable COM port:*#42253646633# -> Device -> Set UART -> PS -> UART1/115200 S410 engineer mode:*#3646633# S900 software version: *#8375# S900 serial no: *#33778# Service codes Philips: S200 enable COM port:*#3338913# -> Device -> Set UART -> PS -> UART1/115200 Service codes \"Chinese\" models: default user code: 1122, 3344, 1234, 5678 Engineer mode: *#110*01# Factory mode: *#987# Enable COM port: *#110*01# -> Device -> Set UART -> PS Config -> UART1/115200 Restore factory settings:*#987*99# LCD contrast: *#369# software version: *#800# software version: *#900# Service codes BenQ: software version: *#300# test mode: *#302*20040615# Service codes Pantech: software version:*01763*79837# service menu: *01763*476# reset defaults (phone/user code reset to default):*01763*737381# Service codes VK-Mobile 3xx, 5xx: software version: *#79# software version: *#837# service menu: *#85*364# (hold#) Service codes VK200, VK2000, VK2010, VK2020, VK4000: software version: *#79# service menu: *#9998*8336# (hold #) reset defaults (phone/user code reset to default): *#9998*7328#(hold #) Service codes LG: software version: 2945#*# KG300 NVRAM format: 2945#*# -> menu 15 Service codes Sony-Ericsson: J100 software version: #82# Service codes Fly: M100 software version:####0000# 2040(i) reset defaults:*#987*99# Send MX200 reset defaults:*#987*99# Send MX200 software version:*#900# Send SL300m reset defaults:*#987*99# Send SL300m software version:*#900# Send SL500m reset defaults:*#987*99# Send SL500m software version:*#900# Send MP500 reset defaults:*#987*99# Send MP500 software version:*#900# Send Set language to English:*#0044# Set language to Russian:*#0007# Service codes Konka: C926 software version: *320# Send C926 set default language:*#0000# Send C926 set English language:*#0044# Send Service codes GStar: GM208 (Chinese Nokea 6230+) engineering menu: *#66*# Set language to English:*#0044# Set language to Russian:*#0007# Service codes Motorola: Motofone F3 software version:**9999* Send C113, C114, C115, C115i, C116, C117, C118 software version:#02#* C138, C139, C140 software version: #02#* C155, C156, C157 software version: #02#* C257, C261 software version:#02#* V171, V172, V173 software version: #02#* V175, V176, V176 software version: #02#* C168, W220 software version:*#**837# W208, W375 software version:#02#* E900 software version:*#5002*8376263# E900 full reset: *2767*3855# Service codes Spice: S404 enable COM port:*#42253646633# -> Device -> Set UART -> PS -> UART1/115200 S410 engineer mode:*#3646633# S900 software version: *#8375# S900 serial no: *#33778# Service codes Philips: S200 enable COM port:*#3338913# -> Device -> Set UART -> PS -> UART1/115200 Service codes \"Chinese\" models: default user code: 1122, 3344, 1234, 5678 Engineer mode: *#110*01# Factory mode: *#987# Enable COM port: *#110*01# -> Device -> Set UART -> PS Config -> UART1/115200 Restore factory settings:*#987*99# LCD contrast: *#369# software version: *#800# software version: *#900# Service codes BenQ: software version: *#300# test mode: *#302*20040615#