BORD

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Revision as of 10:49, 24 April 2020 by Thireus (talk | contribs) (iPad mini 4 BDIDs were inverted. c.f. https://ipsw.me/iPad5,2/info and https://ipsw.me/iPad5,1/info (also shown in OTA files AssetData/boot/BuildManifest.plist))
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The Board ID of a device (also known as BORD, BDID, or ApBoardId) is a 6-bit value (although usually represented as uint8_t) that represents multiple characteristics of the logic board. In a BuildManifest, this value is found in the ApBoardId tag.

Board ID Characteristics

The following table charts each of a Board ID's 6 bits to known board characteristics.

Bit 5 Bit 4 Bit 3 Bit 2 Bit 1 Bit 0
Meaning ? ? ? Eureka/Karoo Form Factor Production Type
Values ? ? ?
  • 0: Eureka
  • 1: Karoo
  • 0: Form Factor 'A'
  • 1: Form Factor 'B'
  • 0: Production (MLB)
  • 1: Development (DEV)

Devices