Secret Codes of Samsung 2021 include the android secret code of Samsung.
Secret Codes of Samsung 2021 is an Open Source application allowing you to scan your device and hidden functionalities of your android phone.
Secret Codes of Samsung include:
 Network Secret Code
 GPS Secret Code
 Bluetooth Secret Code
 WLAN test Secret Code
 Usage statistics Check Update
 Reset Device
 Unlock Phone
 Unlock the device
 Recover Forgotten pattern
 Engineering mode
 GPS test mode
 Touch Test codes
 Test Device is original or copy
 check battery timing
 Machine information
 Display Codes of phone is lock unlock
 Phone Check Codes
 Firmware version information Secret Code
 factory tests PDA
 hard rest code
 Password Forgotten
 display the IMEI number
 Super Mode
 Secret codes of every functionality
 Service Menu
 factory reset
 sim lock codes
 sim unlock code
 Phone information
 Battery information
 Wifi information code
 Battery history
 Software Information code
 Hardware Information
 Test Photograph RGB and much more.
 Screen Test

Some code of them may not work on specific devices but you can still try them because their manufacturer does not allow them. You can copy and share it with your friends.
Keep back of your data safe before executing these codes we are not responsible for any loss so be care full.
Note: This is not official Application of Samsung.