kindle update error u004
I have a Kindle Keyboard Ver 3.3 y try to install Doukan as follows:
1-Download Duokan_0_5_13_8942__2011_05_20_english
2-Extract all files and copy DK_Documents, Dk_Pictures and Dk_System in the Root of my Kindle.
3-Copy from directory 升级包 and subdirectory k3升级包update_duokan_0b008.bin file in the Root of my Kindle.
4-go to Menú / Settings / Menú / Update Your Kindle
and when try to update show
"unsuccessful update" and in the left bottom corner u004
I repeat this process a lot times but the error is the same.
I need Duokan because my books are .PDF and Kindle system is very difficult to read.
Could you help me?
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