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All Secret Codes of Samsung Galaxy S4

Secret Codes For Samsung Galaxy S4

Here we are providing almost all the possible secret codes of your favourite Samsung Galaxy S4 smartphone. These secret codes are supported on S4 variants like, Samsung I9500 Galaxy S4, Samsung I9190 Galaxy S4 mini, Samsung I9505 Galaxy S4 and Samsung Galaxy S4 zoom.

Before going through the secret codes, please see the below screenshot to get an idea how you can enter the secret codes to your Galaxy S4.

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So just type the code to your normal dialling keypad, thats it the code will just execute.

1. Check Audio Loopback Control : *#0283#
2. Check Battery status ADC, RSSI reading : *#0228#
3. Secret code to Camera Firmware Update : *#34971539#
4. Check GSM status information : *#0011#
5. Check Insert Network Lock Keycode : #7465625*638*#
6. Check TSP / TSK firmware update : *#2663#
7. Check Hardware Version  : *#2222#
8. Check IMEI number : *#06#
9. Secret code to lock the phone: #7465625*782*Code#
10. Check  Diagnostic configuration : *#9090#
11. Check Dump mode : *#9900#
12. Check General Test Mode : *#0*#
13. . Check Insert Operator Lock Keycode : #7465625*77*#
14. Check Quick Test Menu : *#7353#
15. Check Remap Shutdown to End Call TSK : *#7594#
16. Check Software and hardware info : *#12580*369#
17. Check View SW Version PDA, CSC, MODEM : *#1234#
18. Check Product code : *#272IMEI#*
19. Check Buyer Code, S3 CSC Code : *#272*IMEI#
20. To Change USB Settings:  *#0808#

If any of the codes are not working or you have any other useful codes with you which are not published here, please feel free to post it in the comment section below so that everybody will benefit from it.

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Comments   

Quoting Mahesh Kumar lohano:
My Samsung S4 i9500 is working fine. The problem is when i turn on loudspeaker, the next person do not hear my voice. If i turn off speaker then next person can hear me.
I checked mic on recorder, it is working fine. I don't use bluetooth handsfree. Phone is not rooted
I have tried following solutions
I have turned off noise reduction feature and "google okay".

Please tell me solution

Please take a backup and factory reset your phone. If it's still not working most probably it could be a hardware issue.
Reply Reply with quote
My Samsung S4 i9500 is working fine. The problem is when i turn on loudspeaker, the next person do not hear my voice. If i turn off speaker then next person can hear me.
I checked mic on recorder, it is working fine. I don't use bluetooth handsfree. Phone is not rooted
I have tried following solutions
I have turned off noise reduction feature and "google okay".

Please tell me solution
Reply Reply with quote
Hi there I am from INDIA
I was using 4.4.4 kitkat on my samsung s4 i9500,recently flashed to 4.4.2,but unfortunately i cant make call.it is showing that NOT REGISTERED ON NETWORK,and also imei is null.pls pls pls help me.pls pls amd sorry for my bad English
Reply Reply with quote
Quoting Rakesh:
Hi there I am from INDIA
I was using 4.4.4 kitkat on my samsung s4 i9500,recently flashed to 4.4.2,but unfortunately i cant make call.it is showing that NOT REGISTERED ON NETWORK,and also imei is null.pls pls pls help me.pls pls amd sorry for my bad English

Please read this then you will understand the reason; http://www.samsungsfour.com/tutorials/how-to-resolve-not-registered-on-network-error-on-galaxy-smartphone.html
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My phone won't read my sim card. I got a new sim and it still won't work.
Reply Reply with quote
Quoting yoni:
My phone won't read my sim card. I got a new sim and it still won't work.

Are you getting "Not registered on the network error, if that so it is because of the wrong firmware. To resolve it find the correct firmware and reinstall it. Try sammobile for the firmware.
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Quoting An Zee:
My S4 fingerprint lock had been activated and the PIN too, but I forgot the PIN and now I can unlock my android but I can't disable the fingerprint lock because it need my PIN. Can you help me in this case?, Thank you

Try this steps; http://www.samsungsfour.com/tutorials/how-to-reset-your-samsung-galaxy-smartphone-pattern-lock.html
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My S4 fingerprint lock had been activated and the PIN too, but I forgot the PIN and now I can unlock my android but I can't disable the fingerprint lock because it need my PIN. Can you help me in this case?, Thank you
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Quoting Merz:
I get an alert "unfortunately, the process com.android.phone has stopped" I click "ok" and alert goes away. But, it keeps pooping up randomly. What is this?? A virus??
And what can I do to clear it definetly?

Some bad application or a corrupt system file is causing this. Please boot into safe mode and check whether you are getting this; http://www.samsungsfour.com/tutorials/how-to-enter-samsung-galaxy-smartphone-into-safe-mode-all-models.html
Reply Reply with quote
I get an alert "unfortunately, the process com.android.phone has stopped" I click "ok" and alert goes away. But, it keeps pooping up randomly. What is this?? A virus??
And what can I do to clear it definetly?
Reply Reply with quote
Quoting ferry:
good day
my s4 wont go on. i played a bit with the codes. i knew about *#06#.it was long ago i tried it. now i tried diferent combinations. after 10 min. i stopt. 10 min later. phone empty. was off. puth it on the adaptor. wont turn on. maybe locked by code? sorry for my bad english.

I didn't quite understand your intention, however *#06# is for IMEI code.
Just try to remove the batteries and reinsert it and switch it back on.
Reply Reply with quote
good day
my s4 wont go on. i played a bit with the codes. i knew about *#06#.it was long ago i tried it. now i tried diferent combinations. after 10 min. i stopt. 10 min later. phone empty. was off. puth it on the adaptor. wont turn on. maybe locked by code? sorry for my bad english.
Reply Reply with quote
Quoting Colin:
Is there any code to fix the error that says 'not registered on network' please?

There is no code for that. This is caused as a result of updating with wrong firmware or root file.
Reply Reply with quote
Is there any code to fix the error that says 'not registered on network' please?
Reply Reply with quote
Quoting Jeremy:
i have a question , i cant get connection with my pc (usb connection) i have tried a cupple a tings but still no connection. i start to tink that its my phone, do you have anny idee what i can try ( i saw a usb code (*#0808#) but not sure what i can do with it )

Did you enabled USB debugging on your phone, also install Samsung USB drivers for your phone.
Reply Reply with quote
i have a question , i cant get connection with my pc (usb connection) i have tried a cupple a tings but still no connection. i start to tink that its my phone, do you have anny idee what i can try ( i saw a usb code (*#0808#) but not sure what i can do with it )
Reply Reply with quote
Quoting sam:
these codes are not working after factory reset of galaxy s advance i9070...plzzz help???

These codes are for the above mentioned versions only.
Reply Reply with quote
these codes are not working after factory reset of galaxy s advance i9070...plzzz help???
Reply Reply with quote
Quoting Shahul:
Is there any code for to view serial number for my Samsung galaxy S4 ?

You don't need a code for that. Just go to settings and click "About Device" and click "Status" there.
Reply Reply with quote
Is there any code for to view serial number for my Samsung galaxy S4 ?
Reply Reply with quote
Quoting Abhishek Patel:
can somebody help me with the problem of wifi in galaxy s4 as i m not able to switch on my wifi button....

Did you tried to switch of your device. If you already did that please hard reset it by following this tutorial; http://www.samsungsfour.com/tutorials/how-to-hard-reset-samsung-galaxy-s4-using-code-button-combination-and-from-settings-menu.html
Reply Reply with quote
can somebody help me with the problem of wifi in galaxy s4 as i m not able to switch on my wifi button....
Reply Reply with quote
Quoting flemmingk:
On my GT-I9505 *#0808#. gets me to USB settings.
If you want to see the phone in file explorer on your PC, choose AP in the upper section and MTP in the lower section.

Thank you flemmingk. I will add the code now in the list... :lol:
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On my GT-I9505 *#0808#. gets me to USB settings.
If you want to see the phone in file explorer on your PC, choose AP in the upper section and MTP in the lower section.
Reply Reply with quote
Quoting Carlo:
What is the code for testing the microphones and noise cancellation? The caller at the other end cannot hear me when in speaker mode so I want to test them.

Right now we don't have a code for it but you can check the microphone by using the voice recorder. Check whether you are able to hear what you have recorded.
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What is the code for testing the microphones and noise cancellation? The caller at the other end cannot hear me when in speaker mode so I want to test them.
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Quoting D2KC:
None of the codes here or from other sites brings up ANYTHING on my Verizon Galaxy S4 mini...

These codes are for the international version only. For others some may or may not work..
Reply Reply with quote
None of the codes here or from other sites brings up ANYTHING on my Verizon Galaxy S4 mini...
Reply Reply with quote
Doe anybody knows how to network unlock a Verizon galaxy s4??
Reply Reply with quote
Quoting tburt85:
None of these codes work on my Cricket galaxy s4

:D I don't know if this will work for cricket but I know it works for Verizon you do need to have a rooted android device or Samsung Galaxy s4 anyway go to efs carrier and go to hidden menu and erase all that text to on
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thanksssssssssssssssss
Reply Reply with quote
Quoting tburt85:
None of these codes work on my Cricket galaxy s4

Sorry friend these codes are for international versions only....some may or may not work on other models....
Reply Reply with quote
None of these codes work on my Cricket galaxy s4
Reply Reply with quote
:lol: very thanks
Reply Reply with quote
Hey,
what is the code please to make sure how long my Galaxy S4 have been used?
Reply Reply with quote
Quoting maxx:
All the secret codes for my galaxy s4 verizon is not working. No response at all.. Please help?thank u

These secret codes are only tested on the international model. All of them were found to be perfectly working. May be the execution of the codes are blocked by your carrier. In that case you may need to root the device. But that will void your warranty. So please make a decision and come back to me. If you really want to root the device I will help you.
Reply Reply with quote
All the secret codes for my galaxy s4 verizon is not working. No response at all.. Please help?thank u
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:lol: good. amazing collection 8)
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