130+ Android Secret Codes Disclosed - Access Hidden Settings on Your Smartphone

Try out these Android secret codes and gain control of hidden settings on your smartphone.

Accessing secret codes for Android isn’t novel. People have been using these codes to access hidden settings since the time of bar phones. There can be multiple reasons behind it. Some users really want to access these hidden settings, while others are experimenting.

Whatever the case may be, using these Android hidden features opens up multiple possibilities. Possibilities like checking diagnostics, phone info, network settings, activating hidden features, etc. Therefore, we have consolidated the Android codes list in this article. So, let’s begin with first understanding the types of codes for Android.

Types of Secret Codes on Android

There are primarily two types of secret codes for Android. Each of these types caters to their purpose. Let’s explore them:

MMI (Man-Machine Interface) Codes on Android

MMI codes are secret codes that are defined by the manufacturer of the Android smartphone. These codes can provide access to hidden settings menus on your device. It allows you to perform various actions. Also, these phone codes are easily available through standard settings apps.

Here is a breakdown of MMI codes:

• Purpose: These provide actions like running diagnostics, viewing device information, managing call forwarding, etc.
• Defined by: Phone Manufacturers (Samsung, Google, Xiaomi, etc.)
• Examples: Check IMEI number, view battery details, etc.

USSD (Unstructured Supplementary Service Data) Codes on Android

USSD codes for Android are shortcut codes that are dialed on your smartphone. They interact with your mobile carrier to provide information and features. The interesting thing to note is that they don’t require an internet connection.

Here’s a breakdown of USSD codes:

• Purpose: It serves multifaceted purposes. For example, checking account balances, activating data plans, prepaid top-ups, accessing carrier-specific services, etc.
• Defined by: Your Mobile Carrier
• Examples: Check account balance, top up prepaid plan, activate data plan, etc.

Best Secret Codes for Android to Use - MMI and USSD Codes

There are numerous secret Android unlocking codes that you can use on your device. These codes for Android can access phone settings, troubleshoot problems, manage calls, and more.

Note: All of these codes may not work on a single device or mobile carrier. 

Popular Hidden Codes for Android:

Android Secret Codes for Managing Phone Settings:

Android Codes List for Troubleshooting:

Hidden Codes for Android to Manage Calls and Messages:

MMI Secret Codes Based on Smartphone Manufacturer

Samsung

Google

Xiaomi

Oppo

Vivo

USSD Secret Codes Based on Carrier

AT&T Mobility

Verizon

T-Mobile US

Dish Wireless

US Cellular

How to Use Android Secret Codes?

As discussed earlier, it is categorized into two categories: MMI and USSD. However, both of these categories let the user access Android code features using a dialer. 

Therefore, the methods of accessing these features are almost identical. So, the steps will remain the same. However, before jumping onto the steps, it’s important to focus on certain factors before using these Android hidden codes:

Important Factors to Consider Before Using Secrets Codes:

• Research Before Use: It’s crucial to search online for code or look for reliable sources, such as tech websites and forums. These forums discuss the purpose of the code, its effects, and compatibility with specific devices.
• Start Simple: Start with basic functions like checking the IMEI number. This will build confidence before exploring other features.
• Use a Trusted Source: Use code provided by reliable sources or the ones provided by the manufacturer or mobile carrier.
• Consider Alternatives: Try safer ways to achieve the same results. Standard settings of the smartphone or mobile carrier apps might deliver these alternatives results.

Steps to Use Secret Codes for Android:

Step 1: Open the phone’s dialer app
Step 2: Type in the secret code number
Step 3: Press # (hash symbol)

Considerations Before Using Android Secret Codes

Several considerations need to be taken into account before using secret Android codes. It is considering that these codes provide access to some sensitive settings. Also, these secret code numbers tend to change for a particular functionality. Therefore, the user might end up changing a setting that may not be good for the device such as factory reset.
Therefore, below we have listed some of the considerations before using secret codes for Androids:

Considerations Before Using MMI Codes:

• It is important to stay careful when using Android phone codes. These codes might lead to unexpected changes in settings.
• A secret code number that works on a particular manufacturer may not work on another one. For example, Samsung’s Android codes might not work on Google’s smartphones.
• Most manufacturers either release a few basic codes with the manual or none at all. Therefore, it is essential to search for relevant ones for your device online.
• Not all MMI codes for Android are well-documented. Therefore, you need to experiment until you find the ones that work on your specific device.
• Some manufacturers might disable these secret Android codes.

Considerations Before Using USSD Codes:

• Some USSD codes can charge their customers for premium services. Therefore, it is important to double-check these codes if you are unfamiliar with them.
• These Android dialer codes are specific to each carrier. So, a code that works on AT&T might not work on Verizon.
• Contact the mobile carrier directly or search online to find relevant codes.
• USSD codes display information or menus on the phone’s screen, allowing users to interact with the service.
• Unlike MMI codes, USSD codes generally don’t change permanently on your device.
• While USSD codes are convenient to access. Certain carrier services use mobile apps for a more user-friendly experience.

Conclusion

Android smartphones have always been feature-driven. In fact, there are several Android features that inspired Apple. However, using secret codes for Android phones is a whole different story. 

These codes have always been a Pandora’s box for many. Some people are skeptical while others are simply unaware of what to expect from these codes. In fact, in many cases, users are aware of the hidden features, but only a few try them out. This could be due to many reasons, such as access to quality codes or accidental settings changes. 

However, this article aims to provide all the information for any user to get started. We discussed the different types of codes, aggregated a list of Android codes, discussed considerations, etc. Therefore, whether you want to open diagnostics or network settings, we hope this article will help you further.