Android's Hidden Secret Codes

Today I am going to show you some cool Hidden Secret Codes of Android OS.

Note: This information is intended for experienced users. Not intended for basic users, hackers, or mobile phone thieves. Please do not try any of the following methods if you are not familiar with the phone. We will not be liable for any use or misuse of this information, including data loss or hardware damage. So, there are risks in your own hands.

(1) * # * # 4636 # * # *
This code will give you information about phone, Battery information, History of Batteries, Usage Statistics.

(2) # * # 34971539 # * # *
This code will give you information about Camera Firmware.

(3)* # * # 232 338 # * # * ------ Displays the MAC address of WiFi

(4)* # * # 1472365 # * # * ------ GPS test

(5)* # * # 1575 # * # * ------ Test a GPS who others are.

(6)* # * # 232 331 # * # * ------ Bluetooth test

(7)* # * # 232 337 # * # ------ Displays the Bluetooth address

(8)* # * # 8255 # * # * ------ This code can be used to launch GTalk Service Monitor.

(9)* # * # 0283 # * # *  ------  Loopback packet

(10)* # * # 0 *#*#*  ------  LCD test

(11)* # * # 0673 # * # * or * # * # 0289 # * # *  ------  Melody tests

(12)* # * # 0842 # * # *  ------  Test Device (Vibration test and Backlight)

(13)* # * # 2663 # * # *  ------  Touch screen version

(14)* # * # 2664 # * # *  ------  Touch screen test

(15)* # * # 0588 # * # *  ------  Proximity sensor test

(16)* # * # 3264 # * # *  ------  RAM version

Samsung Galaxy S4 Specifications

GENERAL

2G Network-GSM 850 / 900 / 1800 / 1900
3G Network-HSDPA 850 / 900 / 1900 / 2100
4G Network-LTE (market dependent)

BODY

Dimensions-136.6 x 69.8 x 7.9 mm (5.38 x 2.75 x 0.31 in)
Weight-130 g (4.59 oz)

DISPLAY

Type- Super AMOLED capacitive touchscreen, 16M colors
Size-1080 x 1920 pixels, 5.0 inches (~441 ppi pixel density)
Multitouch-Yes
Protection-Corning Gorilla Glass 3
  with TouchWiz UI

SOUND

Alert types-Vibration; MP3, WAV ringtones
Loudspeaker-Yes
3.5mm jack-Yes

MEMORY

Card slot-microSD, up to 64 GB
Internal-16/32/64 GB storage, 2 GB RAM
DATA-GPRS Yes
EDGE-Yes
Speed-HSDPA, 42.2 Mbps; HSUPA, 5.76 Mbps
WLAN-Wi-Fi 802.11 a/b/g/n/ac, dual-band, DLNA, Wi-Fi Direct, Wi-Fi hotspot
Bluetooth-Yes, v4.0 with A2DP, EDR, LE
NFC-Yes
Infrared port-Yes
USB-Yes, microUSB v2.0 (MHL 2), USB On-the-go, USB Host

CAMERA

Primary-13 MP, 4128 x 3096 pixels, autofocus, LED flash, check quality
Features-Dual Shot, Simultaneous HD video and image recording, geo-tagging, touch focus, face and smile detection, image stabilization, HDR
Video-Yes, 1080p@30fps, dual-video rec., check quality
Secondary-Yes, 2 MP,1080p@30fps, dual video call

FEATURES

OS-Android OS, v4.2.2 (Jelly Bean)
Chipset-Exynos 5 Octa 5410
CPU -Quad-core 1.6 GHz Cortex-A15 & quad-core 1.2 GHz Cortex-A7
GPU-PowerVR SGX 544MP3
Sensors-Accelerometer, gyro, proximity, compass, barometer, temperature, humidity, gesture
Messaging-SMS(threaded view), MMS, Email, Push Mail, IM, RSS
Browser-HTML5
Radio-No
GPS-Yes, with A-GPS support and GLONASS
Java-Yes, via Java MIDP emulator

Other Features

-Colors-White Frost, Black Mist
- Wireless charging (market dependent)
- S-Voice natural language commands and dictation
- Smart stay, Smart pause, Smart scroll
- Air gestures
- Dropbox (50 GB storage)
- Active noise cancellation with dedicated mic
- TV-out (via MHL 2 A/V link)
- SNS integration
- MP4/DivX/XviD/WMV/H.264/H.263 player
- MP3/WAV/eAAC+/AC3/FLAC player
- Organizer
- Image/video editor
- Document viewer (Word, Excel, PowerPoint, PDF)
- Google Search, Maps, Gmail,
YouTube, Calendar, Google Talk, Picasa
- Voice memo/dial/commands
- Predictive text input (Swype)

BATTERY

Li-Ion-2600 mAh battery
Stand-by-(2G) / Up to 370 h (3G)
Talk time-(2G) / Up to 17 h (3G)
Music play-Up to 62 h