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Something interesting I've noticed with cheap devices from China (such as iPhone clones and digital cameras and the like) is that the manuals always specify they are "T-flash" (TransFlash) compatible, instead of "microSD" or "SD" compatible. Is this to get around paying the $3k/yr license fee, or is it something else entirely? The devices seem compatible with microSD as well as TransFlash cards.

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I think that T-flash and TransFlash are just the name of the microSD spec before it was adopted by the Secure Digital standards body.

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    \$\begingroup\$ en.wikipedia.org/wiki/MicroSD agrees \$\endgroup\$ – Andrew Nov 3 '10 at 4:18
  • \$\begingroup\$ I suppose that T-Flash does not include the secure part of SD cards (instructions and protected memory area). But not sure. \$\endgroup\$ – i486 Nov 22 '16 at 12:28

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