List of Samsung Secret Codes (2020)

Android is a highly customizable and developer-friendly OS. To facilitate system diagnosis and test, it supports a range of hidden codes. While many of these codes work on all devices, some Android skins like One UI, Color OS, Oxygen OS, MIUI, FunTouch OS, etc. have their own set of secret codes. In this article, I will list all Samsung secret codes that work on the older TouchWiz Nature and Grace UX and the latest One UI. Using these codes, you can enter Samsung engineering mode, test the network, diagnose the hardware and get key information about your Samsung phone to Galaxy Tab.

Whether you own a Samsung Galaxy S5, S6, S7, S8, S9, S10, S20, Note 4, Note 5, Note 9, Note 10, Note 20, Galaxy A, J, or M series phone or a Galaxy Tab, the secret codes given below should work on all devices. However, you must keep in mind that the Samsung codes differ from device to device. Also, the code that works on one software version might not work on the other.

On most of the older Galaxy devices running TouchWiz, you can even use Samsung secret codes to unlock SIM. I remember unlocking my AT&T Galaxy S5 using a secret hack. However, as soon as Samsung comes to know about such hacks, they take no time to path them with a new software update.

Samsung Secret Codes List

If you own a Samsung phone that was released after 2017, you can try the following secret codes on your device. Samsung Galaxy S8, S9, S10, S20, Galaxy Note 9, Note 10, Note 20, Galaxy A and M series, Galaxy Tab S series, etc. come into this category. Using the secret code, serial number, and IMEI, you can even check the manufacturing and activation date of your Samsung device.

samsung engineering mode code note 20

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List of Samsung Codes for Samsung One UI

Samsung Secret Code (One UI)

Secret Code Function

*#06# Check the IMEI number any mobile phone or tablet
*#0*# Test RGB (Red Blue Green), Receiver, Vibration, Touch sensitivity, Speakers, Camera Sensors, S-Pen, Audio loopback,  Software version, etc.
*#0808# Change USB settings
*#0228# Check Battery status ADC, RSSI reading, etc.
*#0011# View GSM status information
*#2222# Check Hardware Version
*#1234# View Software Version such as PDA, CSC, MODEM, etc. Helps you check the BL, AP, CP, and CSC of your Samsung device
*#9090# Check diagnostic configuration
*#9900# Check Dump mode
*#12580*369# Check Software and hardware information. This code also lets you check Samsung mobile manufacturing date
 *#0283# Check Audio loopback control
*#34971539# Update Camera firmware
#7465625*638*# Check Network lock keycode
*#2663# Check TSP and TSK firmware update
*#272IMEI#* Check Product code
*#272*IMEI# Check buyer code, CSC (Country/Carrier Specific Product) Code
*#0283# Check Audio loopback control
*#1111# Check software version
*#34971539# View Camera firmware menu
*43# [dial] Enable call waiting
#43#[dial] Turn off call waiting
*#43#[dial] Show status of call waiting
*135#[dial] Request own phone number (doesn’t work sometimes)
**04*[old Pin]*[new Pin]*[new Pin]# Change device PIN. Replace the old and new PINs of your Samsung device.
*#004*[number]# Divert call to a given number. Replace “[number]” with a phone number
*#004# Request the status for call diversion
#004# Deactivate call diversion
##004# Erase call diversion

List of Codes for Old TouchWiz Devices

In case you an older Samsung phone or tablet such as Galaxy S4, S5, S6, S7, Note 4, Note 5, Note 6, Note 7, Galaxy J and C series, etc. and it runs on TouchWiz or Android 6.0 or below, you should try the codes described below.

Samsung Secret Code (TouchWiz)

Secret Code Function

*#0*# / *#*#0*# Test RGB (Red Blue Green), Receiver, Vibration, Touch sensitivity, Speakers, Camera Sensors, S-Pen, Audio loopback,  Software version, etc.
*#06# Show IMEI Number
*#03# NAND Flash the serial number
*#80# Touchscreen noise test (warning do not press power button)
*#251# Wakelock OFF
*#251# Wakelock ON
*#526# WLAN Engineering Mode
*#528# WLAN Engineering Mode
*#745# RIL Dump Menu
*#746# Debug Dump Menu
*#0011# Service Mode
*#0228# Battery status
*#0283# Audio packet loopback test
*#0289# Audio/speaker-test (Melody Test Mode)
*#0514# SysDump (System Dumps, logs, etc.)
*#0588# Proximity Sensor test
*#0589# Light Sensor Test Mode
*#0673# Audio/speaker-test (same as *#0289#)
*#0782# Real-time clock test
*#0842# Vibration test
*#1575# GPS Control Menu
*#2263# RF Band Selection
*#2663# Touchscreen FW and version
*#2664# HW touchscreen test
*#3264# RAM check (version number)
*#7769# Proximity sensor test
*#7284# Phone utility and USB driver and connectivity settings
*#7353# Performs 12 types of function tests
*#7594# Factory mode / Enable shutdown on long press
*#8888# Service Mode (Read FTA hardware version)
*#9900# System Dump Mode
*#9999# Software versions (AP, CP, CSC, FTA SW)
*#2222# Hardware version
*#1234# View SW Version PDA, CSC, MODEM
*#0228# Battery diagnostics
*#9090# Service Mode
*#301279# HSDPA/HSUPA Control Menu
*#4238378# GCF Configuration

*#197328640#

or

*#*#197328640#*#*

Enabling test mode for service activity (also shows the manufacturing date of Samsung devices)
*#232331# Bluetooth test
*#232337# Bluetooth address
*#232338# WLAN MAC address & PS mode
*#232339# WLAN Engineering Mode test (TX & RX modes) (same as *#526*)
*#8736364# Opens OTA update menu
*#7412365# Camera firmware standard (Front/Rear camera firmware)
*#7465625# Personalization (lock status settings)
*#22558463# Reset Total Call Time
*#12580*369# Main Version (AP, CP, CSC, RF cal, HW revision)
*#3282*727336*# System and storage information, and Data usage statistics
* 2767 *3855# Wipes Samsung phone completely
*#*#7780#*#* Resets your phone to the factory state and deletes only apps and app data. You don’t need to boot into the Samsung recovery mode to do that.
*#*#7594#*#* Enables direct power off without showing Power Menu when you hold the Power button
*#*#232338#*#* Displays Wi-Fi MAC address
*#*#4986*2650468#*#* PDA, Phone, Hardware, RF Call Date (or manufacturing date) firmware info
##778 [dial] View the EPST menu

Whether you want to check the manufacturing date of your Samsung device, get into the Samsung engineering mode, test network, unlock SIM, the Samsung secret codes cal help you with diagnosing your device. Also, if these codes work on your phone or tablet, you can be sure that it’s original. You can download the list of secret codes PDF file for future reference if you want.

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