In the world of wireless technologies, each gadget has its own unique digital fingerprint. For Bluetooth connections this identifier is the MAC address, consisting of 12 hexadecimal digits. It is necessary not only for connecting peripherals, but also for deep network diagnostics, setting up traffic filtering or solving pairing problems when standard methods are powerless.
Users are often faced with a situation where they need to find out exactly the hardware address of their smartphone, and not the headphones or watches connected to it. In modern versions Android Google actively implements privacy protection features, hiding the real address behind random values. This makes the task more difficult, but does not make it impossible. We'll look at several methods, from simple settings to using hidden engineering menus and console utilities.
Understanding where to look for this information can save you from hours of fruitless menu searching. Sometimes one correct path in the system is enough, and in other cases a connection to a computer will be required. Let's look at all the available options so that you can choose the most suitable one for your phone model.
Searching for an address through standard system settings
The most obvious and safest way is to use the built-in operating system interface. However, the location of the necessary items may differ radically depending on the manufacturer’s shell. On the “clean” Android The path usually lies through the “About phone” section, where all the technical information about the hardware is collected.
Go to the menu Settings and scroll the list to the very bottom. Find item About phone or Phone information. Inside this section, look for the tab Status or General information. This is where the item Bluetooth addressis often hidden, which is displayed in the format XX:XX:XX:XX:XX:XX.
If in this section you only see IMEI and serial number, try another path. Some manufacturers, such as Samsung or Xiaomi, have included this information in the settings of the communication module itself. Go to Settings → Connections → Bluetooth. Click on the three dots in the corner of the screen or on the gear to open additional options. In some firmware, the address is displayed directly in this menu, especially if the adapter is enabled.
⚠️ Attention: In Android 10 and later, the system by default uses a randomized MAC address when scanning networks to protect against tracking. Make sure that you are looking at the hardware address of the device, and not at the temporary session identifier.
It is worth noting that on devices with custom firmware this item may be renamed or hidden deep in a submenu. If the standard path does not lead to results, do not despair - there are alternative methods of accessing system information.
If the address is not listed in the “About phone” menu, try temporarily turning off Bluetooth and turning it on again - in some shells the address appears only when the module is active.
Using the engineering menu for diagnostics
When the graphical interface does not provide answers, hidden service codes come to the rescue. The engineering menu is a powerful tool for testing hardware, available on most smartphones based on processors MediaTek i Qualcomm. It allows you to directly determine the technical parameters of radio modules.
Open the “Phone” application (dialer) and enter the special service code. For MediaTek processors, the most common code is ##3646633##. For devices based on chips Qualcomm the code ##4636##often works. After entering the last digit, a hidden menu should automatically open.
In the interface that opens, navigation is carried out through tabs. You need the section related to Bluetooth. Look for the tab Bluetooth or Connectivity. Inside, find the subsection Bluetooth Debug Information or Normal Mode. Detailed logs of the adapter's operation are displayed here, including its unique BD_ADDR (Bluetooth Device Address).
- 📱 On devices Samsung the code
#0#often runs to enter the general service menu, where you can test the operation of all sensors. - 🔧 For Xiaomi and Redmi you may need to install a special engineering code calculator application, since standard combinations are often blocked.
- ⚙️ In the MTK Engineer Mode menu, the address is usually located in the section
SN/Bluetooth/WiFi.
Be extremely careful when moving through the engineering menu. Changing settings in sections related to frequencies or signal strength may lead to unstable communication or complete failure of the module. Your goal is only to view information (Read-only), no changes (Write) should be made.
Receiving information via ADB and a computer
If you do not have access to the engineering menu or the settings are hidden, the most reliable way is to use USB debugging. This method requires a computer and an installed package ADB (Android Debug Bridge). It allows you to send commands to the system directly, bypassing graphical limitations.
First you need to activate the developer mode on your smartphone. Go to Settings → About phone and quickly click 7 times on the item Build number. After the message “You have become a developer” appears, return to the main settings menu, find the new section For developers and turn on the toggle switch USB debugging.
Connect the phone to the computer with a cable. Open a command prompt or terminal on your PC in the folder where ADB is installed. Enter the command to check the connection:
adb devicesA request for debugging permission will appear on the phone screen - confirm it. You can now request information about the Bluetooth adapter. Enter the following command, which will display the contents of the system file with Bluetooth settings:
adb shell cat /data/misc/bluedroid/bt_config.confIn the command output, find the section [LocalAddress] or line starting with address =. The MAC address you are looking for will be indicated next to it. If this file is empty or inaccessible, try a more general command to view the logs:
adb shell dumpsys bluetooth_managerThis method provides the most accurate data because it accesses the system daemons directly. It works on almost all devices where the bootloader is not locked and debugging is allowed.
☑️ Preparing to work with ADB
Analysis through third-party applications and logs
Sometimes you don’t want to bother with cables and codes. In this case, you can use specialized utilities from the store Google Play. There are applications designed to collect technical information about the device that can read system properties without root access.
One of the popular solutions is the application Device Info HW or AIDA64. After installation, run a device scan. Go to the Network or Bluetooth section. Some applications may show the MAC address in general system information.
Another approach is to use loggers. Applications like MatLog allow you to view system logs in real time. Turn on the logger, then perform a Bluetooth-related action (for example, turn it on or start searching for devices). In the log stream, look for lines containing keywords BD_ADDR or BluetoothAdapter.
| Method | Difficulty | Accuracy | Root required |
|---|---|---|---|
| Phone settings | Low | Medium | No |
| Engineering menu | Medium | High | No |
| ADB commands | High | Maximum | No |
| Third-party applications | Low | Depends on the software | Often yes |
It is worth considering that the capabilities of third-party applications are limited by Android security policies. Starting with version 6.0, access to the persistent device ID for regular applications was significantly limited. Therefore, old utilities may show incorrect data or not find the address at all.
⚠️ Attention: Engineering menu interfaces and the set of service codes depend on the processor manufacturer and Android version. A code that works on one phone may not work on another or may cause the system to crash.
Features of working with address randomization
It is important to understand the difference between a permanent (static) MAC address and a random (randomized) one. Modern versions Android use address spoofing when scanning networks in the background. This is to prevent stores, airports and other organizations from tracking a user's movements based on their smartphone's unique identifier.
When you connect to a device, such as a car stereo, the system may use a randomized address for that particular communication session. This means that the next time you connect, the address may change. However, the hardware MAC addressitself, hardwired into the Bluetooth chip, remains unchanged.
If your goal is to configure a white access list on a router or other device, you need a static address. In the developer settings, you can sometimes disable the “Use random MAC address” feature for specific Wi-Fi networks, but for Bluetooth this setting is often hidden deeper or managed automatically by the system.
Why does the address change?
The system generates a random address with each scan to protect your anonymity. The real address is used only when establishing a trusted connection.
Solving problems with address display
There are situations when the phone displays the address 00:00:00:00:00:00 or does not show it at all. This may indicate a problem with the Bluetooth drivers or a corrupted configuration file. In this case, simply rebooting the device will often help restore normal operation of the communication stack.
If rebooting does not help, try resetting your network settings. This action will delete all saved Bluetooth pairings and Wi-Fi settings, but will return the communication modules to their factory state. The path to this function is usually located in Settings → System → Resetting settings → Resetting Wi-Fi, mobile data and Bluetooth settings.
In extreme cases, when the address is not determined by any methods, there may be hardware damage to the module or a software conflict after an unsuccessful firmware update. In such a situation, you may need to flash the device or contact a service center for diagnostics.
Resetting network settings is a safe procedure that does not delete your personal files, photos or applications, but requires re-entering Wi-Fi passwords.
Is it possible to change the Bluetooth MAC address on Android?
Technically, this is only possible if you have root access and use specialized modules or configuration file editors. However, changing the address can lead to loss of warranty and unstable operation of wireless interfaces, so doing this unless absolutely necessary is not recommended.
Why do you need to know your MAC address at all?
This information is necessary for system administrators to set up access filtering in corporate networks, cybersecurity specialists to analyze traffic, as well as ordinary users to link a device to a smart home or automotive system, where access is allowed only by list.
Why does the settings show an address different from the one in the engineering menu?
Most likely, the normal settings display the current active address, which can be randomized by the system to protect privacy. In the engineering menu or via ADB, you see the “hard” address recorded in the chip’s memory at the factory.
Does changing the MAC address affect the speed of Bluetooth?
No, the address itself is only an identifier and does not affect the throughput or stability of the connection. Speed problems are usually associated with the Bluetooth version, interference on the air or the quality of the smartphone's antenna.