Hidden Secret codes in Android

So I have this android powered Samsung Galaxy Ace.While I'm loving playing with it, I have also found various secret codes which can enable/disable lots of hidden settings in the mobile phone. These codes also show very useful information about the phone.

FIRMWARE VERSION INFORMATION

*#*#1234#*#* - PDA and Phone

*#*#1111#*#* - FTA SW Version

*#*#2222#*#* - FTA HW Version

*#*#44336#*#* - PDA, Phone, CSC, Build Time, Changelist number

*#*#4636#*#*-This code is used to get various information about your phone and battery. It shows following 4 menus on screen:

• Phone information
• Battery information
• Battery history
• Usage statistics

*#*#7780#*#*-Factory data reset.It REMOVES:

• Google account settings
• System and application data and settings
• Downloaded applications

              It DOES NOT REMOVE:

• system software and bundled applications
• SD card files

*2767*3855#-WARNING:Factory Reset.This code is used for factory format. It'll remove all files and settings including the internal memory storage. It'll also reinstall the phone firmware.

*#*#273283*255*663282*#*#*-This code opens a File copy screen where you can backup your media files e.g. Images, Sound, Video and Voice memo.

*#*#8255#*#*-This code can be used to launch GTalk Service Monitor.

WLAN, GPS and Bluetooth Test Codes:

*#*#232339#*#* OR *#*#526#*#* OR *#*#528#*#* - WLAN test (Use "Menu" button to start various tests)

*#*#232338#*#* - Shows WiFi MAC address

*#*#1472365#*#* - GPS test

*#*#1575#*#* - Another GPS test

*#*#232331#*#* - Bluetooth test

*#*#232337#*# - Shows Bluetooth device address

VARIOUS FACTORY TESTS

*#*#0283#*#* - Packet Loopback

*#*#0*#*#* - LCD test

*#*#0673#*#* OR *#*#0289#*#* - Melody test

*#*#0842#*#* - Device test (Vibration test and BackLight test)

*#*#2663#*#* - Touch screen version

*#*#2664#*#* - Touch screen test

*#*#0588#*#* - Proximity sensor test

*#*#3264#*#* - RAM version

FEATURES AND SPECS OF SAMSUNG GALAXY ACE S5830

FEATURES AND SPECS OF SAMSUNG GALAXY ACE S5830

Samsung Galaxy Ace is a mid-range android device which has very high-end functions.It is powered by a powerful 800 Mhz ARM V6 processor and Adreno 200 GPU with Qualcomm MSM7227 chipset and comes with Android 2.2 (Froyo) operating system.It comes with internal memory of 158 MB.The Samsung Galaxy Ace S5830 has expandable memory card slot which support up to 32GB memory.It also has 5MP camera with autofocus, LED flash, face and smile detection, microUSB port, Wi-Fi, Bluetooth v2.1 with A2DP, FM radio, 3.5mm jack, accelerometer sensor and GPS with A-GPS support are some other features of Samsung Galaxy Ace S5830.

DETAILS

Overview	Touchscreen, Touch Sensitive Controls, 5 MP Camera, 3G, EDGE, GPS, GPRS, Bluetooth, Wi-Fi, Browser, Stereo FM radio, MP4 & MP3 Player, Android OS, Turbo 800 MHz Processor
Operating System	Android v2.2 Froyo
CPU	ARM V6 800 Mhz with Adreno 200 GPU with Qualcomm MSM7227 chipset
Network 2G	GSM 850 / 900 / 1800 / 1900
Network 3G	HSDPA 900 / 2100 HSDPA 7.2 Mbps
WLAN	Wi-Fi 802.11 b/g/n, DLNA, Wi-Fi hotspot
Dimensions	112.4 x 59.9 x 11.5 mm
Weight	113 g
Display Size	3.5 inches, TFT capacitive touchscreen, 16M colors
Screen Resolution	320 x 480 pixels
QWERTY	Virtual QWERTY
Music	MP3/WAV/eAAC+ player,Stereo FM radio with RDS,Voice Recording
Camera	5 MP, 2592x1944 pixels, autofocus, LED flash
Video	QVGA@15fps, Video Player-MP4, H.264, H.263
Bluetooth	Bluetooth v3.0 with A2DP
Memory	Internal-181 MB ,Card Slot-microSD Card up to 32GB, 2GB included,RAM-278 MB
Battery	Standard battery, Li-Ion 1350 mAh Standard battery, Talk Time Up to 11 hours (2G) / Up to 6 hours 30 min (3G) ,Standby Time Up to 640 hours (2G) / Up to 420 hours (3G)
GPS	Yes, A-GPS support

Besides various applications like Google Search, Maps, Gmail, YouTube, Calendar, Google Talk, Picasa integration, Image/video Editor, Calculator, Calendar, Alarm, Organizer are also present.

Now that we have this phone we want to have maximum use of it at a minimal price.