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Samsung Galaxy S4 Secret Codes,New Galaxy S4 Hidden Code

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By sanjaybenjamin, Member on 28th April 2013, 06:40 AM
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How to access the internal function of Galaxy S4 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 Galaxy S4 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, TSP Hovering you have to touch and mark all the squares back button does not work
Other use full secret codes for android phone tested on Galaxy S4

* #1234# to check software version of phone.
*#12580*369# to check software and hardware information.
*#0228# Battery status (ADC, RSSI reading)
*#0011# Service Menu
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28th April 2013, 08:48 PM |#2  
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Do you have the code for turning on the other frequencies on international versions swe we can get them to more effectively work on ATT?
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28th April 2013, 09:06 PM |#3  
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On the phone Dial Pad you run *#0011# , will get band info and Service Menu
17th May 2013, 09:43 AM |#4  
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Does anyone now the code to get into Diag mode?
25th May 2013, 11:27 PM |#5  
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Thanks for this (Y)

Sent from my GT-I9500 using xda premium
26th May 2013, 04:35 AM |#6  
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Thanks!!! Really helpful thread.
26th May 2013, 08:09 PM |#7  
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*#0*# Diagmode

Sent from my GT-I9500 using Tapatalk 2
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27th May 2013, 08:04 PM |#8  
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Wink
Hey guys.

I had found on AndroidPit the following secret codes.

Insofar as I know they had work by my GT-I9505.
Just try it out

*#0011# service mode
*#0228# batteriestatus
*#0283# looback test
*#06# imei
*#03# nandflashheaderread
*#0808# usb service
*#9090# service mode
*#7284# FactoryKeystring
*#1234# Version
*#34971539#camera firmware standard
*#1111# servicemode
*#0*# Testmodus
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30th May 2013, 09:53 PM |#9  
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On the Verizon version of the Galaxy S4, these codes do not work because the hidden menus are disabled by default. To enable the hidden menus on the Verizon version of the Samsung Galaxy S4 go here:

http://forum.xda-developers.com/show....php?t=2303905
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31st May 2013, 04:26 AM |#10  
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recalibrated battery?
i just tried the code for battery status and my current batery status is 33% then was curious what function is "quick start" press it and the phone screen was turned of for 2-3 seconds and my battery went to 13% does that function calibrate battery status?
31st May 2013, 06:16 AM |#11  
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Very useful.
Thank you!

Hjogi
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