Quote:
Originally Posted by knc1
What firmware version was in use on the one that DID work?
Was the same method of file transfer used in all cases?
Does the file still pass the md5sum test or was it damaged while on the PC?
What PC OS?
That was Chinese-WinXP if I had to guess.
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Chinese-win8
,evevtually the new method of using 5.7.4 worked.my kindle have JB.I'm so excited.Thanks for your help and every contributer.