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Hi everybody. I am a new Amazon Kindle 4NT user. I want to read epub with my K4, so first i jailbroak it and i installed Coolreader 3. Coolreader installation finished succesfully but i could not work it. There is a (like) book "CR3 Runner v2.5" when i click it appering an pop up "this device is not authorize as a test Kindle by the developer of this item. Please contact the developer" so, i can't use Coolreader 3.
What is your comment on this problem?
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