Nearly all android handsets made by samsung and other colossal smartphone manufacturers include strong security features. Several of them are already automatically enabled by the Android operating system. There are also USSD (Unstructured Supplemental Service Data) codes or secret codes that allow you to access your Android phone's features, including its security and safety functions, without having to go through the settings menu. Let's examine the most effective Android security codes.
How Do USSD Codes Work?
USSD codes are also known as function codes, secret codes, and short codes. These codes allow Android phone capabilities to be accessed using a combination of numbers and symbols.
GSM (Global System for Mobile Communications) devices use Android's short codes to interact with your mobile network operator. They are uniquely encoded into your SIM card or cell number so that you may use your Android smartphone more efficiently and effectively.
Nevertheless, certain USSD codes may not always function on particular devices. For example, dual SIM phones typically have issues. It may also be difficult to get them to run on multiple carriers, countries, and phone apps, or if your device has SIM card troubles. However, the only method to determine whether these codes work is to try them.
Android USSD Secret Codes: How to Use the Codes
Using secret USSD codes on an Android device is easier than you may believe. You no longer need to navigate to your Android settings and search for the desired areas or features. Follow these instructions to enter secret codes on an Android device.
Launch the Phone application on your Android.
From there, enter the Android secret code you wish to use. It may begin with either an asterisk or a hash.
When you press the “Call” button, the Android USSD code will begin to load. On some phones, you may not need to push the “Call” button after entering the last character; the code will activate immediately.
Android Secret Code Execute Android Top Secret Security Codes
Below is a list of the most useful Android security codes that you should learn and implement on your phone.
- Phone's IMEI
USSD code *#06#
This secret code allows you to examine the IMEI number associated with your Android device. Your device's IMEI (International Mobile Equipment Identity) is another crucial unique identifier since it functions as your smartphone's digital fingerprint.
IMEI digits are typically already printed on the rear of your smartphone. However, the back casing must be removed in order to view it. Use this code if you do not know how to remove the back of your device or if you cannot. Checking the IMEI number can be important when purchasing a used phone, for instance.
- Specific Absorption Rate (SAR) Level
This code allows you to view your Android phone's SAR level. Knowing the SAR (Specific Absorption Rate) of your device enables you to determine how much electromagnetic energy your body absorbs when using the Android device in question.
As of this writing, the FCC (Federal Communications Commission) requires smartphones to have a maximum SAR level of 1.6 watts per kilogram. Using this code, you may determine whether or not your Android smartphone has already reached this limit. If this is the case, it may be time to consider purchasing a new phone.
- GPS System
Use this standard USSD code to determine the accuracy or performance of your Android GPS (Global Positioning System).
Knowing whether the GPS on your smartphone is on or off can be useful in a number of unforeseen circumstances, such as losing your phone or having it stolen. If it is active, you can use your phone's GPS to locate it.
- Wi-Fi Test
USSD code: #*#232339#*#*
Use the preceding code to test the Wi-Fi capabilities of your Android device. If there is a problem with the phone's Wi-Fi service, this code will help identify it.
- General Test Mode
USSD code: *#0*#
Accessing or using the “General Test Mode” features is the best approach to determine whether your Android device is functioning properly. After entering this code, you'll have access to a variety of testing tools, including grip sensor, RGB testing, subkey, barcode emulator test, LED, front camera, touch testing, and device version information.
If one or two of these metrics exhibit anomalies, it is likely that your cellphone has been tampered with.
- Service Mode
USSD code: *#*#197328640#*#*
Enable the Engineering/Service/Test mode to conduct a variety of tests on your Android device. It also enables you to modify certain Android settings, such as network-related variables.
- Firmware information
USSD code: *#*#4986*2650468#*#
Android users can use firmware information to determine if their device's firmware has been altered, which could lead to system damage, among other benefits.
This secret security code will allow you to recover the crucial information associated with your Android's original firmware. This information includes PDA, RF call date, smartphone model, hardware, and production date.
- Turn off Caller ID
USSD code: *31#
All Android phones now include a built-in Caller ID function. Nonetheless, there are circumstances in which you may choose to block this feature and prevent others from seeing who is calling. Use this USSD code for instances of this nature.
Reactivate this identifying function with the same USSD code if you change your mind.
- Enabling Call Waiting
USSD code: *43#
Utilize this code to activate call waiting for your number. The call waiting service notifies you of incoming calls when you are already on the line. Enter #43# to disable the call waiting feature.
Learn how to conceal Android calls and messages from specified contacts.
- Check call forwarding
This USSD code allows you to determine whether your phone's call forwarding feature is active. If activated, this code will display the number to which calls are being redirected.
This information is accessible even when your line is busy. You will also be notified when you decline a call.
- Check Storage and System Details
USSD code: *#3282*727336*#
Using this code will allow you to obtain correct information about the device's internal system and storage. One of the details displayed will be your typical data use. If you notice unexpected data usage on your device, it's possible that someone is remotely using your smartphone.
- Display MAC address
USSD code: *#*#232338#*#*
Knowing if your smartphone's MAC (Media Access Control) address has been altered is another method for detecting fraudulent activity. A network interface controller's MAC address is a unique identifier (NIC).
It is a necessary component for network protocols such as TCP (Transmission Control Protocol). Without your MAC address, TCP cannot function. This exclusive security code will reveal the MAC address.
Verify that it is still compatible with your network. If it does not, it is preferable to investigate potential security vulnerabilities.
- View google Play Services Information
This code performs Google Play diagnostics and Google Play Services information on your mobile device.
- Local Network Information
USSD code: *3001#12345#*
Interested in learning about local networks? This code will allow you to access the “Field” mode, where information on cell towers and local networks can be found.
- Turn off your device
USSD code: *#*#7594#*#*
If for some reason you are unable to shut down the device in the usual manner, this secret security code is your best alternative.
It will automatically switch off your phone after use. When you are ready to switch the device back on, you will be required to enter your security passcode, preventing unauthorized access to its contents. It allows you to turn off your device without pressing the “Power” button.
Additional Important Android Secret Codes You Can Use
You may also want to use MMI (Man Machine Interface) codes in addition to USSD codes. It is difficult to distinguish between USSD codes and MMI codes, as both types typically begin with a hashtag or an asterisk.
In addition, MMI codes are utilized identically to USSD codes. Use the phone app's dialer to enter the code. In addition, both of them have access to certain functions, such as IMEI.
Despite their similarities, USSD codes and MMI codes have distinct distinctions. Their availability is one of them. Smartphone carriers frequently issue USSD codes. USSDs vary from wireless service provider to wireless service provider (carrier-specific).
Here are some MMI code samples that should function on the majority of models:
View personal digital assistant software version information with the *#*#1234#*#* command.
*#*#2222#*: examine the hardware version of the mobile device.
View your smartphone's current software version and system update information by dialing *#*#44336#*#*.
*#7465625# displays the device lock status.
*#*#2663#*#*: see version for touch screen.
Frequent Requested Information
Do these codes function on iPhones?
Yes, some of these codes, including IMEI code verification and call waiting, will work on iPhones, but not all of them. While this may be true, you must be cautious when testing them on an iphone. Given the delicate nature of the iPhone dial, you may mistakenly alter settings or even delete data from your device.
Any additional hidden settings on Android phones?
Yes, you may activate developer options to unlock further hidden Android phone capabilities. Navigate to “Settings About phone Software details.” Tap “Build number” seven times to enable “Developer mode.” Return to “Settings” and locate “Developer options.”
Using a secret code, can you delete all apps from your phone without erasing other data?
No such Android secret code exists. However, there are further ways to delete programs without erasing personal data from your mobile device.