All Android Secret Codes – Tested and Working (April 2025)

Android, the open-source operating system, is full of secrets. From easter eggs to secret codes that unlock unique features or show hidden information, Google likes to add some fun elements. So, without any further ado, here is the list of the best secret codes for all Android phones, including the one for every OEM and manufacturer. Also, we have tested every code on different phones from different manufacturers to ensure that we include only the working Android codes in the list.

Table of Contents

What Are Android Secret Codes?

No, I am not referring to those cryptic messages you send to your crush on yourInstagram. Android has a series of numbers, asterisks, and hashes (to be pressed in a specific order) that unlock hidden settings and menus. Furthermore, you can discover new details about your phone’s software and even unlock disabled features. It can also be handy for testing whether your phone is working as intended by checking each hardware part, such as the display, individually. Mainly, there are two types of codes, and we will be mentioning both of them.

There are two types of secret codes found in Android. Let’s take a look at them one by one.

All Android Secret Codes - Tested and Working

How to Use Secret Codes on Android?

Using these secret codes on Android is pretty straightforward. You just need to follow these steps:

A Word of Caution:Using some of these codes can be risky since they directly let you tinker with the hardware.

Also Read:

Android Secret Codes Complete List

Universal Android Secret Codes List

Unlike the OEM-specific codes mentioned below, these codes work on any Android device, so you can deep dive into your device for troubleshooting and info retrieval. You might need to click on the dial button on some devices for the code to work.

Information Retrieval Codes

Here is the list of universal secret Android codes that work on every device.

Call and Message Management Codes

System Function and Settings Codes

These codes can help you dive deeper into the Settings and access the service menu or diagnostics. Be careful as some of them can mess up your device settings, so it’s best to take some caution. Here are the codes you can use:

Reset and Backup Codes

These codes are used for performing data reset and backup. So I highly recommend using it with caution and make sure that you have the data backed up before using it.

Android OEM Specific Codes

Manufacturers often like to introduce codes that allow users to access diagnostics and engineering menus for troubleshooting or conducting hardware. These codes, unlike the universal ones, only work on their respective phone manufacturers.

Secret Codes for Samsung Phones

Samsung phones are popular for supporting plenty of Android codes, including the standard ones. One UI is known for its feature-rich software, so it’s no surprise that the company offers some additional codes to take advantage of the hardware:

Secret Codes for Google Pixel

Google’s Pixel lineup uses stock Android, so the company uses the standard Android codes instead of relying on fancy and cryptic ones. Here are all the secret Android codes for Google’s Pixel lineup:

Secret Codes for Oppo/Realme/OnePlus Phones

OnePlus phones have specific codes to access their engineering and diagnostic modes. It is sort of a reflection of the company’s software over the years, evolving from Cyanogenmod to OxygenOS to a diluted OxygenOS based on ColorOS code. Since ColorOS, OxygenOS, and RealmeUI are more or less the same, here are some codes that work on all of them:

Secret Android Codes for Xiaomi (MIUI/HyperOS)

If you have a device running Xiaomi’s HyperOS or older MIUI, then you can take advantage of these secret Android codes to run diagnostics or get more info:

Secret Codes for Nothing Phones

Secret Codes for Motorola Devices

With Motorola phones offering a close-to-stock Android experience, it’s no surprise that all the standard codes work on them. Although it’s worth mentioning that Motorola phones also have these specific codes:

Carrier-Specific Secret Codes for Android

Apart from OEM-specific codes, there are also unique codes available for certain carriers. What do these do? Well, these are the second type of codes: USSD codes.

With these codes, you may check your account balance, data usage, and other features. You will need to press the call button to initiate them, unlike MMI codes. Here are the codes for every carrier, whether you are living in the US or India.

USSD Codes for Verizon:

Verizon uses a system of # codes (pound codes) for account information and * codes (star codes) for call feature management.

USSD Codes for AT&T

If you are on AT&T, then you can use these Feature Access Codes (FAC) starting with * or #. Do note that some of these codes only work with certain AT&T plans, such as AT&T Collaborate.

USSD Codes for T-Mobile

If you are a T-Mobile user, then there are plenty of codes available. From account management to knowing details about your device, prepaid account, or blocking a specific number, here are the codes for them.

USSD Codes for Jio:

In case you are a Jio user, you can use these codes apart from the MyJio app for more information:

USSD Codes For Airtel

For those on the other side of the spectrum with an Airtel SIM, you can use these USSD codes for prepaid/postpaid account details:

USSD Codes for Vodafone Idea (Vi)

If you are still stuck in the past with Vi SIM, then here are some codes that will help you get the best out of your Vi SIM:

Important Considerations Before Entering Codes

Since these Android codes can unlock a new side of your device and take it to a new potential, it’s wise to use them with caution. Here are a few things you need to keep in mind:

Abeer Chawake

A part-time gamer and a full-time Tech Writer. Abeer is a tech enthusiast who keeps track of all the trending gadgets and smartphones. When he isn’t busy smashing words with his keyboard, you can find him playing the latest PC Games or binge-watching TV Shows.

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