ill try to run mp3 file, when i'm charging ( still via USB ) i got big battery in middle of my reader screen with arrow on right side and description above, "Charging battery" or "Charging complete" but with both options i still have arrow on right side of it.
Its no matter if i turn off sleep mode, because if i "lost" one bar from battery indicator and turn reader off i will not be able to run it on until i reset it.
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