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.

To fast unlock your Samsung device without data loss and security issues, you can try Samsung Screen Unlock. It is user-friendly enough to offer you on-screen instructions in each step, and even the tech novice can handle it without difficulties. Besides, it is also known as the most cost-effective app among all the paid Samsung unlock software. Step 1: Download the Samsung bypass APP/APK on your PC, select “Remove Google Lock (FRP)” mode. Click “Start” and then connect your device to the computer with a USB cable. Step 2: Confirm the device information. Your device information would be detected automatically. Confirm the device name and click on 'Next' to go on.

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.

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.

Dr.fone – Android Lock Screen Removal. When talking about mobile pattern lock unlock software download, one tool that comes to mind is dr.fone Unlock (Android). This software is a reliable way to unlock Android device screen locks without losing data. Samsung Games Unlocking Code Software OpenMSL v.1.0 Our goal is to create a Openly available and usable version of the MSL used by all Unreal Engine based games.

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.

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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.

Read Next: How to Uninstall Samsung System AppS without Root

Summary

We set a password on our Samsung Galaxy phones to avoid others access to the private data without permissions. You are allowed to set PIN/pattern/fingerprint as a password on modern Samsung devices. However, sometimes we forget the password and can't access our own Samsung phones.

Here are some free ways to bypass Samsung lock screen. Method 1 or Method 2 should be the first choice for most of you. Method 3 and Method 4 have their limits to unlock your Samsung phone. If all the above methods fail to unlock your phone, try the last method to go through a factory reset.

Method 1. How to Bypass Samsung Lock Screen without Losing Data? - Forgot Password/Fail to Input Fingerprint

Forget the password, PIN, or pattern for your Samsung device? Or the fingerprint reader is dead on your Galaxy? Please don't worry, Android Unlock allows you to bypass your Samsung lock screen without any data loss in 5 minutes.

The software offers two work modes. The standared mode aims to unlock Samsung/LG without data loss, and the advanced mode can unlock more brands of Android phones. As the topic today is to remove password and fingerprint on Samsung Galaxy, we will show you the standared mode in the following.

Supported Samsung device: Galaxy S6/S5/S4/S3, Note 8/7/4/3/2/Edge, Tab 2/Tab S/Tab Pro, etc.

You can now free download Android Unlock and go on.

Step 1. Download the software and select 'Unlock' from the toolbox.

Step 2. Link your Samsung Galaxy to a PC, then select the 'Unlock Android Screen' tab.

Samsung Mobile Password Unlock software, free download Pc

Step 3. Fill in your device info to the blank. You are required to offer your device brand, name, model. Just open the dropdown menu to choose the detailed info so that the software will offer a customized recovery package to unlock your Samsung.

Step 4. Enter the download mode.

1) Turn off your Samsung phone.

2) Press and hold Volume Down + Home button + Power key at the same time.

3) Press the Volume Up to get into the Download Mode.

Step 5. Wait for the program to download a recovery package.

Step 6. Confirm the info by typing '000000' to confirm your device info and click on 'Remove Now' to unlock your Galaxy without data loss.

Step 7. Now, you can access your Samsung phone without any password.

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Method 2. How to Bypass Samsung Lock Screen with Samsung Find My Mobile?

Forget your password/PIN and want to unlock your Samsung Galaxy? Find My Mobile must be the first option for you because it is a built-in feature of all Samsung devices. To use this handy tool, you are required to log in your Samsung account on your device before it is locked.

If you have not yet set a Samsung account or logged in this account on your Galaxy, this tool can not work for you. In addition, some mobile phone carriers block this feature to protect users' private from mobile phone hackers. But if you have kept your Samsung account being logged in your device, try the method!

Supported Samsung devices: Samsung Galaxy S10/S9/S8/S7/S6/S5, Galaxy Note9/8/7/6, Galaxy A9/A8/A7/A6, Galaxy J8/J7/J6/J5, and more.

Here's how:

1. On a computer web browser, visit Samsung Find My Mobile Website.
2. Click 'Sign in' to log in your Samsung account.
3. Once done, go to the 'Lock my screen' section on the left panel.
4. Enter a new PIN to unlock your Galaxy screen. This would be the new password for your Samsung device, please remember it.
5. Click 'Lock' on the bottom.
6. Wait for a few minutes, the PIN you set on the web browser just now can be used to unlock your Samsung Galaxy.

Further Read:

As we talk above, a Samsung account should have been logged in your Samsung Galaxy before you failed to lock it with the old password. What if you are used to using a Google account on your Samsung phone instead of a Samsung account? Please don't worry, go ahead to Method 2.

Samsung Mobile Security Code Unlock Software free. download full

Method 3. Bypass Samsung Lock Screen Using Google Account - Android Device Manager

Like Samsung, Google has its own 'Find My Mobile' feature for all Android users, which is well-known as Android Device Manager. With the same rule as the Samsung Find My Mobile, before the failure of unlocking screen, you need to have logged in your Google account on your Samsung Galaxy phone.

Supported Samsung devices: Samsung Galaxy S10/S9/S8/S7/S6/S5, Galaxy Note9/8/7/6, Galaxy A9/A8/A7/A6, Galaxy J8/J7/J6/J5, and more.

To unlock your Galaxy with Android Device Manager, you need to:

1. Open a web browser on your computer, visit Android Device Manager Website.
2. Sign in your Google account that you used on the locked Samsung phone.
3. Check if the default device displayed on the left panel is yours.
4. If not, hit on the 'Refresh' button and select the one as you need. If it is, go to next step.
5. Click 'LOCK'.
6. Enter a new password to replace the old one. Then click 'Lock'.
7. The password/PIN will change to the new one you have set after a few minutes. Then you can unlock your Samsung Galaxy with the new password.

Read Also:

Unfortunately, if you can't meet the conditions of Find My Mobile or Android Device Manager, you can jump to other methods on this page. Please go on.

Method 4. How to Bypass Galaxy Lock Screen with Google Login?

It is quite an effective method to unlock your Samsung Galaxy without losing data, however, it only works on Android OS 4.4 and lower. Many of you should have upgraded Android OS to a higher version, so this may be the easiest but useless one on modern Samsung devices.

Samsung Mobile Security Code Unlock software, free download

If you need to unlock your aged Samsung phone, you can charge it and try this method. Apart from the Android version, the condition to use this method is that you can still remember the backup PIN or the Google account that you used on this phone.

Supported Samsung devices: Samsung smartphones running Android OS 4.4 and lower.

To do that:

Samsung Mobile Security Code Unlock software, free download Windows 10

1. Enter a wrong PIN/password/pattern for 5 times.
2. Click on 'Forgot Pattern'.
3. Enter your Google account and sign in, or type the backup PIN.
4. Then your Galaxy will be unlocked.

Here are the 3 ways for free to unlock your Samsung Galaxy. They are easy enough for novice users to bypass the lock screen without losing data. The last free way to remove the forgotten password is to perform a factory reset via Android Recovery mode.

Method 5. How to Remover Forgotten Password via Android Recovery Mode?

Android users can access to the Android System Recovery Mode on each Android phone. You can restart the system, perform a factory reset and wipe cache partition. It can be used in these cases:

#1. Forget your password.

#2. The fingerprint reader is dead.

#3. Frozen screen/touch screen can't work.

Here's how:

1. Press Power key and tap on 'Power off' from the screen.
2. Press the Power key and Volume Down key, you can see a 'Start' on the top of the screen.
3. Press Volume Down key two or three times and you can see 'Recovery mode' in red on the top of the screen.
4. Press Power key to enter it.
5. Then you can see 'No command' on the screen.
6. Press Power key and Volume Up key at the same time for around 3 seconds.
7. Keep pressing the Power key and hold down Volume Up key once.
8. Use Volume keys to select 'Wipe data/ factory reset' and press Power key to enter it.
9. Then you can choose 'yes, delete all user data' and then choose 'Reboot system now' option to restart the phone.
10. After that, your device should be able to access without entering password.

Notice: Performing a factory reset has a risk of losing all user data on your Galaxy phone although it is said to have a 50% chance for data recovery. And this way is a bit complex for novice users.

For more details, you can go to:

The Final Thoughts:

Here are the 5 easiest methods for novice users to bypass Samsung lock screen. Method 5 is not recommended for its complex steps and risks to lose data without recovery. Method 4 has limits on Android OS. Method 1 or Method 2 should be the first choice for most of you because they are easy to use, yet with preconditions.

If all the above methods failed, try the fifth method to remove the fingerprint password and back up files from your Samsung Galaxy to PC and send your phone to a repair shop.

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