I've got one which worked fine for about a month but then started locking up on the ebook list after the first 11 pages.
After some experimentation I've managed to work out that I can store as many books as a I want and access them provided there are no more than about 50 in any single folder.
I've tried resetting, firmware upgrades and formatting the onboard flash but nothing solves the problem. I presume there is some buffer flash or ram somewhere that isn't being cleared during resets or firmware rewrites that is either full or faulty resulting in the limitation that has suddenly appearred.
Up to then it was brilliant any ideas on solving my problem would be appreciated.
I did pull it apart and it's powered by a Boxchip X10 cpu, display memory is a EM42BM1684RTC chip and flash a H27UBG8T2ATR
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