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Sep 23, 2009
Flash Doctor was Launched Officially Today
  SD Flash Doctor recovers data from flash devices with:
  Accidentally deleted files
  Front-end mechanical damages
  Logical structure damages
  Damaged controller (both logical and physical)
  SD Flash Data Recovery Doctor is a professional Hardware-software complex specially designed for data recovery from the physically damaged flash storage devices when access to the user data is impossible by the native interface realized by the native controller. With its extendable hardware for reading the Flash Memory Chips and software with unique universal algorithm built in for rebuilding readable files in despite of the ¡°data mix¡±; the main difference between  
 

SD Flash Data Recovery Doctor and other existing products that makes us unique is that SD Flash Data Recovery Doctor performs recovery totally ¡°controller in-dependently¡±.

SD Flash Data Recovery Doctor provides both Automatic and Manual Modes, users are allowed to switch from each other easily depends on different situations.

It handles all models of flash devices with NAND chip (SD, SM, MMC, XD, USB Pendrive, MemoryStick, CompactFlash etc.)

Before the launching of SD Flash Doctor, to perform data recovery from the flash storage device with damaged controller, users were required to find a replacement identical controller (either physical replacement or logical replacement). But not anymore, SD Flash Doctor can read your data straight from NAND chips and automatically or manually reconstructs the data without need to find a matched controller replacement!

  
  Physical Controller Replacement
 

Totally hardware solution requires a solder station only. Users must find an identical (a perfect match of the controller chip, controller content and flash memory chip) good device, and move the target flash memory chips to the donor device by soldering.

 
  The limitation of this method:
 

It will be extremely difficult for the users to tell if the target and the donor are identical (only by matching the appearances is not enough  
 

 

 since there would be different contents included); it is only a unprofessional solution by trial and error.  
 
 

Even the users manage to find a matched donor, the replacement solves only those flash devices which only have the controller content  
 

 

 stored in the controller chip damaged (Tips: normally the controller content of a flash device is stored separately in both the controller  
 

 

 chip and the flash memory chip), not those devices with the controller content stored in the flash memory chip damaged.  
  Logical Controller Replacement
 

Solution requires flash reader and controller emulator; this solution should be recognized as the first step forward in flash data recovery. Such kind of products use a flash chip reader to read and save a raw image of the flash memory chip, and use the software with a controller database built in to emulate the actions of the controller. This kind of Logical Replacement does not require users to find an identical device, as long as the target controller is provided in the controller database, users can use it to remove the ¡°data mix¡± and rebuild the data.

  
 
  The limitation of this method:
 

It is impossible for the manufacturers to add all the controllers you need to the database since there are too many of them, not to  
 

 

 mention the new controllers keep coming out; users will find there are just limited controllers supported; and once the target controller is  
 

 

 not included in the database, users can¡¯t do nothing but give it up.  
 
 

The controller emulator matches the controller by mainly the controller model, which may lead to a false match because even controller  
 

 

 chips with the same model number may contain different contents, especially when they are not manufactured by the same factory at  
 

 

 the same time.  
 
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