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iPhone backup – mbdb file structure

The iPhone backup in iTunes is managed by a single file called Manifest.mbdb. The binary file contains information about all other files in the backup along with the file sizes and file system structure data.

Manifest.Mbdb file header and record format are shown below

Header:
 Mbdb file header is a fixed value of 6 bytes and the value acts as a magic number to identify the mbdb files.

 

iphone mbdb file header

Record:  Mbdb file contain many records and each record is of variable size. Every record contains various details about a file.

 

iPhone backup - mbdb file structure

 

Posted by on May 5, 2012 in iPhone

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