Secret Codes helps you to access some internal functions of mobile which are intended for developers and troubleshooting purposes. They are the combination of numeric and Special Characters like * and #.These codes can give you access to the whole new world of hidden menu, diagnostics test and much more.

Samsung Galaxy Note 4 smartphone with 5.70-inch 1440×2560 display powered by 1.9GHz processor alongside 3GB RAM and 16-megapixel rear camera.

Samsung Galaxy Note 4 Secret Codes

Hello Guys, here I am going to show you how to access the internal function of Samsung Galaxy Note 4 for testing the various hardware parts of your phone if it is working properly or not with the help of this secret code you can test lcd, vibration, camera, sensor (accelerometer sensor, proximity sensor, magnetic sensor), touch screen, speaker, sub key, etc… if you have any hardware problem with your Samsung Galaxy Note 4 you can identify with this code if it is working or not to do this follow the steps below.
First of all open your keypad

Then dial the secret code *#0*# Now you get a screen with title LCD TEST and below that you have lots of option to test various hardware parts of your phone such as speaker, sensor, lcd, etc
To go back use right physical button 

While testing the touch you have to touch and mark all the squares back button does not work 
Other use full secret codes for android phone tested on 
Samsung Galaxy Note 4

  •   * #1234#              -to check software version of phone.
  •   *#12580*369#     -to check software and hardware information.
  •   *#0228#               -Battery status (ADC, RSSI reading)
  •   *#32489#             -Service mode
  •   *#7780#               -factory data reset Samsung Galaxy Note 4
  •   *2767*3855#       -Full factory reset (Don’t dial it does not ask you to confirm unless you have problem)
These codes will work on all the models of galaxy series


  1. I just purchased a Note4 from Sprint. Instead of porting the number for me, they gave me a new number. I am trying to program my old number on the device. How do I get the programming code? any help would be appreciated. Thanks.