I don't like manually entering PIN1 of SIM/UICC everytime I reboot my Android smartphone or switch SIM/UICC between multiple trusted devices. How to auto unlock SIM/UICC on my trusted devices? The case is similar to auto-decryption of external hard disks on trusted devices. Touch Settings System updates UICC unlock. This will even unlock the APN menu so you can add APN settings for your carrier.
Secret codes, sounds like something similar to hacking but really, it isn’t. Mobile phone secret codes are not intended to crack the cell phone software but they specifically developed to fix and troubleshoot certain and technical issues. Similarly, for Samsung phones, there are a specific number of secret codes available which are used eradicate the cell phone problems and are mostly known and used by developers. In this article, we will provide you the complete list of Samsung secret codes which are compatible with all Samsung models and are used for testing and debugging the phone.
What are secret cell phone codes and how to use them?
Secret codes come in alpha numeric characters and are commonly used in Android platforms. They are entered through the phonebook dialer. These codes are brand manufacturer specific and the same Samsung code might not work in other cell phone brands like Micromax, Lava, Karbonn, Sony and HTC. So it is highly recommended that the Samsung codes shouldn’t be used in other mobile brands because it might turn harmful for your device. Secondly, playing with these codes is entirely prohibited because it might seriously ham your device’s configuration. So before using the code, you should be fully aware of what you’re going to do.
List of Samsung mobile secret keys
The Samsung key codes that we’re going to provide here are compatible with all Samsung Galaxy models.
Samsung
Secret codes for all testing functions in Samsung
*#0589# (To enter Light Sensor test mode)
*#0588# (Proximity Sensor Secret code)
*#*#526#*#* (For entering WLAN network)
*#*#232338#*#* (To display all WiFi Mac address)
*#*#1472365#*#* (To test GPS)
*#*#1575#*#* (A next GPS test code)
*#*#232331#*#* (Troubleshoot your Bluetooth)
*#9090# (Diagnostic Configuration secret code)
#*3888# (Bluetooth test mode code)
#*#0*#*#* (To test your mobile LCD screen)
*#*#0673#*#* (For Audio testing purpose)
*#*#0842#*#* (For general tests like checking Vibration and Backlight)
*#*#2663#*#* (Test your mobile LDC touch screen)
*#8999*8378# (Universal Test Menu)
*#0842# (Vibration Motor Test Mode Code)
*#0782# (Test mobile time in real time mode)
*#0673# (Test Audible)
*#0*# (General test mode function)
*#0589# (To enter Light Sensor test mode)
*#0588# (Proximity Sensor Secret code)
*#*#526#*#* (For entering WLAN network)
*#*#232338#*#* (To display all WiFi Mac address)
*#*#1472365#*#* (To test GPS)
*#*#1575#*#* (A next GPS test code)
*#*#232331#*#* (Troubleshoot your Bluetooth)
*#9090# (Diagnostic Configuration secret code)
#*3888# (Bluetooth test mode code)
#*#0*#*#* (To test your mobile LCD screen)
*#*#0673#*#* (For Audio testing purpose)
*#*#0842#*#* (For general tests like checking Vibration and Backlight)
*#*#2663#*#* (Test your mobile LDC touch screen)
*#8999*8378# (Universal Test Menu)
*#0842# (Vibration Motor Test Mode Code)
*#0782# (Test mobile time in real time mode)
*#0673# (Test Audible)
*#0*# (General test mode function)
![Uicc Unlock From System Updates Menu Uicc Unlock From System Updates Menu](https://cdn-images.xda-developers.com/direct/2/0/2/8/2/9/0/uploadfromtaptalk1370752042803.jpg)
Execute Code
Samsung Galaxy codes for mobile restarting
These codes are to restart your Samsung phone without manually doing it.
#*2562#
#*3849#
#*3851#
#*3876#
#*3849#
#*3851#
#*3876#
Secret codes for SIM lock and unlock
#0111*0000000# (SIM unlock code)
*7465625*28746# (Auto SIM lock on)
#7465625*28746# (Auto SIM lock off)
#0111*0000000# (SIM unlock code)
*7465625*28746# (Auto SIM lock on)
#7465625*28746# (Auto SIM lock off)
Samsung mobile codes for System Control
*#7284# (USB I2C Mode Controlling Panel)
*#872564# (For controlling the USB Logging)
*#4238378# (For controlling the GCF Configuration)
*#0283# (For controlling Audio Loopback)
*#1575# (For managing and controlling GPS menu)
*#7284# (USB I2C Mode Controlling Panel)
*#872564# (For controlling the USB Logging)
*#4238378# (For controlling the GCF Configuration)
*#0283# (For controlling Audio Loopback)
*#1575# (For managing and controlling GPS menu)
Samsung Galaxy secret codes for getting Phone Information
*#*#4636#*#* (For getting your phone information)
*#*#4986*2650468#*#* (For viewing your phone’s PDA , H/W, RFCallDate details)
*#*#1234#*#* (For viewing PDA type and version)
*#*#1111#*#* (To display Firmware software version)
*#*#2222#*#* (To display Firmware hardware version)
*#*#44336#*#* (To display your phone build version ROM sales code, build time and change list number)
*#272*IMEI# (To change your sales codes and reset the user data)
*#0011# (To display the status information for your GSM network)
*#*#4636#*#* (Display all user statistics from the beginning of time and the necessary phone information)
*#12580*369# (For checking software and hardware information)
#*#8377466# (For checking all the software and hardware version of your phone)
*#*#4636#*#* (For getting your phone information)
*#*#4986*2650468#*#* (For viewing your phone’s PDA , H/W, RFCallDate details)
*#*#1234#*#* (For viewing PDA type and version)
*#*#1111#*#* (To display Firmware software version)
*#*#2222#*#* (To display Firmware hardware version)
*#*#44336#*#* (To display your phone build version ROM sales code, build time and change list number)
*#272*IMEI# (To change your sales codes and reset the user data)
*#0011# (To display the status information for your GSM network)
*#*#4636#*#* (Display all user statistics from the beginning of time and the necessary phone information)
*#12580*369# (For checking software and hardware information)
#*#8377466# (For checking all the software and hardware version of your phone)
Samsung secret cell phone codes to check Network
*7465625*638*# (Allows you to customize Network Lock MCC/MNC)
#7465625*638*# (Allow you to perform Network data locks and Insert Network Lock)
*7465625*782*# (For customizing your Network Lock NSP)
#7465625*782*# (Input any semi- Partiality Network Lock Keycode)
*7465625*77*# (Key code for Network Lock SP)
#7465625*77*# (Code to insert network operator)
*7465625*27*# (Samsung code for Network Lock and functioning for NSP/CP)
#7465625*27*# (Code for Samsung Galaxy Content Provider network insertion)
*#272*IMEI# (Samsung Galaxy S3 CSC code that gives you the buyer code)
*#2263# (RF Band- select your network mode type)
*7465625*638*# (Allows you to customize Network Lock MCC/MNC)
#7465625*638*# (Allow you to perform Network data locks and Insert Network Lock)
*7465625*782*# (For customizing your Network Lock NSP)
#7465625*782*# (Input any semi- Partiality Network Lock Keycode)
*7465625*77*# (Key code for Network Lock SP)
#7465625*77*# (Code to insert network operator)
*7465625*27*# (Samsung code for Network Lock and functioning for NSP/CP)
#7465625*27*# (Code for Samsung Galaxy Content Provider network insertion)
*#272*IMEI# (Samsung Galaxy S3 CSC code that gives you the buyer code)
*#2263# (RF Band- select your network mode type)
Samsung secret codes to check Firmware and service mode
*#32489# (For entering service mode- Ciphering info)
*#197328640# (For default service mode)
#0808# (For USB service)
*#9090# (Service mode USB)
*#2663# (For TSP/TSK firmware update)
*#34971539# (To update your camera firmware)
*#526# (WLAN Engineering service mode)
*#7412365# (To enter your camera firmware menu)
#8736364# (Android OTA update menu screen code)
*2767*4387264636# (Sellout SMS/PCODE view)
*#32489# (For entering service mode- Ciphering info)
*#197328640# (For default service mode)
#0808# (For USB service)
*#9090# (Service mode USB)
*#2663# (For TSP/TSK firmware update)
*#34971539# (To update your camera firmware)
*#526# (WLAN Engineering service mode)
*#7412365# (To enter your camera firmware menu)
#8736364# (Android OTA update menu screen code)
*2767*4387264636# (Sellout SMS/PCODE view)
Samsung secret codes for Android Factory reset
*#7780# (Factory reset or restore code for your Samsung phone with a confirmation message)
*2767*3855# (Factory reset your Samsung phone without any confirmation message)
*#*#273283*255*663282*#*#* (To copy and backup media files)
*#7780# (Factory reset or restore code for your Samsung phone with a confirmation message)
*2767*3855# (Factory reset your Samsung phone without any confirmation message)
*#*#273283*255*663282*#*#* (To copy and backup media files)
Samsung secret code for Debugging
*#745# (Dump Menu for dumping RIL)
*#746# (For general debug dump menu)
*#9900# (Shows the system dump menu and provides you the option to boost your phone network, WiFi speed and battery power)
*#03# (Nand flash S/N)
*#03# (Remap Shutdown to End Call TSK)
*#272886# (For Auto answer selection)
*#745# (Dump Menu for dumping RIL)
*#746# (For general debug dump menu)
*#9900# (Shows the system dump menu and provides you the option to boost your phone network, WiFi speed and battery power)
*#03# (Nand flash S/N)
*#03# (Remap Shutdown to End Call TSK)
*#272886# (For Auto answer selection)
Why should you use Samsung check code on your phone?
If you are a keen and aspiring developer or want to learn more about functioning mobile phones then these secrets keys are very beneficial for you. Although these codes are no more secret as they are publicly released, still many new users are uninformed of them. Secondly, these keys can be used as a shortcut method to operate your device instead of getting the detailed tricks and entering your phone settings control panel. Learning about these codes will help you in Android development and make an impressive touch on others.
Besides these, the Samsung secret keys can be used anytime and anyplace to fix and troubleshoot your device without carrying it to the mobile service center.
Conclusion
So you can see that learning about Samsung mobile secret codes are quite useful and beneficial too. They deliver certain information about your phone which is not even specified in the phone manual. This helps you discover a lot about your device and help you proceed in Android development. Secret keys should be kept confidentially and should not be revealed to anyone who has no idea about the technical details of a smartphone. Otherwise they might misuse the Samsung mobile checking code which can lead to cell phone damage or malfunctioning of the device. Therefore, it’s better to keep the codes with safety and security so that they don’t get into the hands of a non-experienced user.
So you can see that learning about Samsung mobile secret codes are quite useful and beneficial too. They deliver certain information about your phone which is not even specified in the phone manual. This helps you discover a lot about your device and help you proceed in Android development. Secret keys should be kept confidentially and should not be revealed to anyone who has no idea about the technical details of a smartphone. Otherwise they might misuse the Samsung mobile checking code which can lead to cell phone damage or malfunctioning of the device. Therefore, it’s better to keep the codes with safety and security so that they don’t get into the hands of a non-experienced user.
Part 1: Remove Samsung SIM Lock with dr.fone toolkit
Before going through the three free methods, let's take a look at dr.fone toolkit - Android SIM Unlock first. Unlike the free methods, you don't need to take your phone to the store, or go through all the complicated steps to remove the sim unlock of your Samsung Galaxy. It hardly takes 5 minutes to remove SIM lock on Android. The best part is that this sim network unlock pin software is user-friendly and it doesn't require any technical knowledge. It is compatible with all Samsung Galaxy, Tab, and Note models.
dr.fone - Android SIM Unlock
The fastest way to unlock your phone.
- Simple process, permanent results.
- Supports over 400 devices.
- Operates in over 60 countries.
- No risk to your phone or data.
How to use dr.fone toolkit - Android SIM Unlock to unlock Samsung Galaxy
Step 1. Launch dr.fone toolkit on your computer, select SIM Unlock. Connect your Samsung Galaxy phone to the computer using a USB cable.
Step 2. If your device is Samsung S3~S7 and you've rooted the Samsung phone before, it only need one click to sim unlock your samsung galaxy phone. After the phone is connected, you only need to click on Unlock button, your phone will be successfully unlocked within 5 minutes. That's it. Simple, right?
If you have other Samsung device, after you connect the device, you need to follow the instruction on dr.fone toolkit to set the phone in service mode first.
Dial *#0808# or ##3424# or #9090# on your Android phone. One of the 3 will work on your model and you will enter USB Settings / Diagnostic / Service Mode.
Once you are in Service Mode you select the DM + MODEM + ADB or UART[*] or CDMA MODEM option, and then hit 'Unlock'.
Step 3. After the phone is in Service Mode, click on Unlock, the program will then start the SIM unlocking process.
Even though it's not a free tool, it can save you a lot of time and totally hassle free to SIM unlock your Android phone. If you don't want to purchase a program to do the task, you can still go through the three free methods to sim unlock Samsung Galaxy below.