Thanks for your insert in the topic.
After removing the sd card, i would say, that it works normally.
But now i have another question
Battery was charged up to 100%.
After reading about 50 pages of a book, it drops till 97 %
Iam not quite sure its a normal behaviour ??
Another one - what is better, to turn off the device when i stop to read or leaving it in stand-by mode ?
What's your opinion ?
I have some suspicions about battery, its a second hand-device, that's why i want to save the battery as much as i can....
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