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  1. Kevin
  2. Sherlock Holmes
  3. DTX900 Series
  4. Thursday, 16 May 2019
Hello. I made a backup of all data on my DTXT3 brain back in 2011 (saved to a .T3A file to flash thumb drive). Since then I have done a couple of firmware updates, most recently to V1.10, so it is effectively a DTX900. I tried to restore all data from my backup .T3A file (from the flash thumb drive) and am getting an Illegal File error. I have several other .T3A files on the same thumb drive which load successfully. Any idea what might be the problem with my backup file?

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