I have not done any modding to the internal microSD other than adding a Fonts folder and some extra fonts.
I always use an external microSD card for copying my books on the device, leaving the internal one untouched.
About the warranty, I bought the device in US and presently I live outside US. So there is no way I could claim warranty.
Thanks...
Last edited by rraod; 07-08-2016 at 06:57 AM.
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