Screen Saver for Mobiles

Nokia
Code:
*#06# IMEI (International Mobile Equipment Identity) information
*#0000# 1st Line: software version. 2nd line: date of software release. 3rd line: phone type
*#746025625# Checks if the SIM clock can be stopped. It is a kind of standby mode that will save battery. However,


the clock automatically gets activated when the phone is switched off and on
*#92702689# Here is a big one! A menu will come up with six choices. First, it’ll display the serial number. Second,

the month and year of manufacture. Third, the date of purchase. Fourth, the last repair date. Fifth, the option to

transfer user data if you have the hardware for it. Sixth, the number of hours the phone has been on. Some of these

dates might not be displayed if the information doesn’t exist
*3370# Enhanced Full Rate (EFR) codec activation
#3370# EFR codec deactivation
*4370# Half Rate codec activation
#4730# Half Rate codec deactivation

EFR gives better voice quality compared to the half rate codec, but can cut down on the battery life. Your phone

will automatically restart after you feed in any of the above codecs

xx# Here is a harmless little one. This will automatically display the number at the ‘xx’ position in your phone book


Motorola


Code:

*#06# Displays IMEI
[][][] 119 [] 1 [] OK Enable EFR
[][][] 119 [] 0 [] OK Disable EFR


Samsung SGH-2100/600

Code:

*#06# Displays IMEI
*#9999# Software version
*#0324# Technical menu
*#0523# Lets you adjust the screen contrast
*#0228# Battery status (capacity, voltage, temperature


Sharp Secret Codes

*01763*8371# (*01763*VER0#) — Firmware Version.
*01763*3641# (*01763*ENG1#) — Enable Engineer Mode hold pwr key to leave then disable.
*01763*3640# (*01763*ENG0#) — Disable Engineer Mode.
*01763*8781# (*01763*TST1#) — Test #1 (test early wdt looping to dump, need to remove battery from phone)
*01763*8782# (*01763*TST2#) — Test #2 (test irq dis looping to switch, resets itself