Build

UNKNOWN

public static final String UNKNOWN

Value used for when a build property is unknown.

Constant Value: "unknown"

BOARD

public static final String BOARD

The name of the underlying board, like "goldfish".

BOOTLOADER

public static final String BOOTLOADER

The system bootloader version number.

BRAND

public static final String BRAND

The consumer-visible brand with which the product/hardware will be associated, if any.

CPU_ABI

public static final String CPU_ABI

This field was deprecated in API level 21.
Use SUPPORTED_ABIS instead.

The name of the instruction set (CPU type + ABI convention) of native code.

CPU_ABI2

public static final String CPU_ABI2

This field was deprecated in API level 21.
Use SUPPORTED_ABIS instead.

The name of the second instruction set (CPU type + ABI convention) of native code.

DEVICE

public static final String DEVICE

The name of the industrial design.

DISPLAY

public static final String DISPLAY

A build ID string meant for displaying to the user

FINGERPRINT

public static final String FINGERPRINT

A string that uniquely identifies this build. Do not attempt to parse this value.

HARDWARE

public static final String HARDWARE

The name of the hardware (from the kernel command line or /proc).

HOST

public static final String HOST

ID

public static final String ID

Either a changelist number, or a label like "M4-rc20".

MANUFACTURER

public static final String MANUFACTURER

The manufacturer of the product/hardware.

MODEL

public static final String MODEL

The end-user-visible name for the end product.

ODM_SKU

public static final String ODM_SKU

The SKU of the device as set by the original design manufacturer (ODM).

This is a runtime-initialized property set during startup to configure device services. If no value is set, this is reported as UNKNOWN.

The ODM SKU may have multiple variants for the same system SKU in case a manufacturer produces variants of the same design. For example, the same build may be released with variations in physical keyboard and/or display hardware, each with a different ODM SKU.

PRODUCT

public static final String PRODUCT

The name of the overall product.

RADIO

public static final String RADIO

This field was deprecated in API level 15.
The radio firmware version is frequently not available when this class is initialized, leading to a blank or "unknown" value for this string. Use getRadioVersion() instead.

The radio firmware version number.

SERIAL

public static final String SERIAL

This field was deprecated in API level 26.
Use getSerial() instead.

A hardware serial number, if available. Alphanumeric only, case-insensitive. This field is always set to Build#UNKNOWN.

SKU

public static final String SKU

The SKU of the hardware (from the kernel command line).

The SKU is reported by the bootloader to configure system software features. If no value is supplied by the bootloader, this is reported as UNKNOWN.

SOC_MANUFACTURER

public static final String SOC_MANUFACTURER

The manufacturer of the device's primary system-on-chip.

SOC_MODEL

public static final String SOC_MODEL

The model name of the device's primary system-on-chip.

SUPPORTED_32_BIT_ABIS

public static final String[] SUPPORTED_32_BIT_ABIS

An ordered list of 32 bit ABIs supported by this device. The most preferred ABI is the first element in the list. See SUPPORTED_ABIS and SUPPORTED_64_BIT_ABIS.

SUPPORTED_64_BIT_ABIS

public static final String[] SUPPORTED_64_BIT_ABIS

An ordered list of 64 bit ABIs supported by this device. The most preferred ABI is the first element in the list. See SUPPORTED_ABIS and SUPPORTED_32_BIT_ABIS.

SUPPORTED_ABIS

public static final String[] SUPPORTED_ABIS

An ordered list of ABIs supported by this device. The most preferred ABI is the first element in the list. See SUPPORTED_32_BIT_ABIS and SUPPORTED_64_BIT_ABIS.

TAGS

public static final String TAGS

Comma-separated tags describing the build, like "unsigned,debug".

TIME

public static final long TIME

The time at which the build was produced, given in milliseconds since the UNIX epoch.

TYPE

public static final String TYPE

The type of build, like "user" or "eng".

USER

public static final String USER

Build

public Build ()

getFingerprintedPartitions

public static List<Build.Partition> getFingerprintedPartitions ()

Get build information about partitions that have a separate fingerprint defined. The list includes partitions that are suitable candidates for over-the-air updates. This is not an exhaustive list of partitions on the device.

getRadioVersion

public static String getRadioVersion ()

Returns the version string for the radio firmware. May return null (if, for instance, the radio is not currently on).

getSerial

public static String getSerial ()

Gets the hardware serial number, if available.

Note: Root access may allow you to modify device identifiers, such as the hardware serial number. If you change these identifiers, you can not use key attestation to obtain proof of the device's original identifiers. KeyMint will reject an ID attestation request if the identifiers provided by the frameworks do not match the identifiers it was provisioned with.

Starting with API level 29, persistent device identifiers are guarded behind additional restrictions, and apps are recommended to use resettable identifiers (see Best practices for unique identifiers). This method can be invoked if one of the following requirements is met:

• If the calling app has been granted the READ_PRIVILEGED_PHONE_STATE permission; this is a privileged permission that can only be granted to apps preloaded on the device.
• If the calling app has carrier privileges (see TelephonyManager.hasCarrierPrivileges()) on any active subscription.
• If the calling app is the default SMS role holder (see RoleManager.isRoleHeld(String)).
• If the calling app is the device owner of a fully-managed device, a profile owner of an organization-owned device, or their delegates (see DevicePolicyManager.getEnrollmentSpecificId()).

If the calling app does not meet one of these requirements then this method will behave as follows:

• If the calling app's target SDK is API level 28 or lower and the app has the READ_PHONE_STATE permission then Build#UNKNOWN is returned.
• If the calling app's target SDK is API level 28 or lower and the app does not have the READ_PHONE_STATE permission, or if the calling app is targeting API level 29 or higher, then a SecurityException is thrown.