Samsung Galaxy S3/S4 HUGE list of codes

Huge list of Samsung Galaxy S4 codes I found on the XDA developers forum.  Copied here just in case that website is down and you need the codes.

SAMSUNG GALAXY S3 CODES SECRETS

*#06# Shows IMEI (International Mobile Equipment Identity) number

*#0*# LCD Test Menu
Dial the secret code *#0*#. Now you get a screen with title LCD TEST as shown in image and below that you have lots of option to test various hardware parts of your phone such as speaker, sensor, lcd, etc

*#8999*523# LCD Brightness

*#1234# To check Software and Hardware information, PDA, CSC, MODEM (Firmware Version)

*#2222# H/W Version

*#*#4636#*#* user statistics and Phone Info

*#0011# Displays status information for the GSM

*#7780# Factory Reset
*2767*3855# Full factory reset (Don’t dial unless you have problem, it does not ask you to confirm )

*#12580*369# SW & HW Info
#*#8377466# S/W Version & H/W Version
#*2562# Restarts Phone
#*3849# Restarts Phone
#*3851# Restarts Phone
#*3876# Restarts Phone
#*5376# DELETE ALL SMS!!!!
*#197328640# Service Mode
*#0228# Battery status (ADC, RSSI reading)
*#32489# Service mode (Ciphering Info)
*#2255# Call List
#*3888# BLUETOOTH Test mode
#*7828# Task screen
*#5282837# Java Version


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24 Responses to Samsung Galaxy S3/S4 HUGE list of codes

  1. *#272*IMEI# doesn’t work on Samsung Galaxy S4.

  2. Christopher Clinton

    **INFO** for Verizon phones use *#22745927 to enable hidden menus.

  3. Hello,
    I bought a phone samsung galaxy S4 from ebay. It was written that this phone is unlocked. I came to europe, but unfortunately other sim cariers do not work. What will happen if I will make factory data reset? Or default system reset? If it becomes unlocked or not?
    Thank you.

    • Never buy a cell hpone from Ebay! Maybe if the seller has 100 positive feedback it’s ok otherwise it is usually a scam. Also, the Samsung Galaxy S4 has different frequencies that it works on.

      Factory data reset will reset all the software and data on the phone and it will be like a fresh install. I do a factory data reset every month after backing up all my data.

      I’m not sure what you mean by system reset. To test if your Samsung Galaxy S4 is u locked try different sims. That’s the only easy was to check.

      It is possible the phone was stolen from Europe and the IMEI is blocked in Europe. They take the phone to The US where it is not blocked and try to sell it. The only way to know if your
      Samsung Galaxy S4 is unlocked is to try different network sims.

      • Hi, thanks for the answer.
        I contacted with my seller. He gave him my IMEI, He told me that he unlocked the phone and gave me some number and instructions.. But he lied probably, cause then I turn on my phone it doesn’t ask any password for unlocking.
        What would you suggest for me? What should I do? DO I have to try with unlocking companies?
        Also I tried to do factory reset but secret codes doesn’t work at all.
        Thank you.

        • Contact the seller, see what they say, it might be an honest mistake. If that doesn’t work you can unlock by contacting a network provider, but last time I did an unlock I needed my IMEI number. If that doesn’t work, then I have no idea…sorry!.

  4. neelaka sumedha

    Nice Thank you.

  5. I have sprint samsung s4 l720 & i am using this cellphone in india factory unlock done but can’t use internet so plz if u know any method than send me in my email address
    Thank u.

  6. Hello i baught second hand glaxy s4 how i know that it is orignal ,plz help me. Wating for ur answer,Thks
    Deep.

  7. Great Job, never new these codes existed. Thank-You.

  8. I have a galaxy s4 I bought my friends upgrade thru tmobile. He stopped making his payments and so my imei number was blocked although my sim I use is from another service provider. My phone is unlocked but it is saying its not registered on a network. My friend cant help because he cant pay his bill so how can I unlock my imei number to continue using my s4? It was working until a few days ago.

  9. Hi,
    Samsung Galaxy LIGHT from T-MOBILE US Android 4.2.2
    Can’t access ServiceMode UMTS main menu
    code *#0011# or *#197328640# gets me to a different
    ServiceMode menu, If you can help I thank you in advance.

  10. My s4 by Verizon is hacked and I wanted to find a way to at the very least get them out of my phone can you help?
    Thanks
    Crystal D.

  11. My S4 i9505 shows main camera 9.6 megapixels but on the box it came with it shows 13MP. Did I buy a fake phone.

  12. Kaitlynn McHenry

    I have a Samsung galaxy legend ( verizon) and none of these codes work.. Helppppp plzzz.

  13. Hareshwar Dongare

    I bought Samsung Galaxy S4 Mini (3G) china made from UAE. I am using UAE simcard (Du) & its working fine. I was went on vacation to my home country India. I placed the Indian network (Vodafone) SIMCARD in same handset but it was not working . Activation had been failed.
    Kindly help me to how to sort out this issue.Is there any change has to make in handset.

  14. Mauro
    I have a galaxy s4 I bought my friends upgrade thru tmobile. He stopped making his payments and so my imei number was blocked although my sim I use is from another service provider. My phone is unlocked but it is saying its not registered on a network. My friend cant help because he cant pay his bill so how can I unlock my imei number to continue using my s4? It was working until a few days ago.

  15. Hi
    i need to purchase a second hand Samsung S4.What code i can use to check the used time info of cell.Or How many hours this cell be used since first purchase .Please reply

    Thanks.

  16. Guys any of those codes work with my sch-r970 us cellular..You know any code so i can change carrier??.