Thanks for the fast reply!
I put the file on a empty SD card (just in case), turned the reader off and turned it on again with the home button pressed.
Strange thing now is: I get a message like "Software update request detected, scanning for update...", then release the home button and wait. After around 1 minute the screens turns black, white, black and boots normally again, but the reader tells me that the firmware ist still the same ??
If i do not release the home button, then it will start blinking like described after one minute and then the same message will appear again (scanning) and it will blink again, and so on...
I tried to press the button for around 5 minutes, but nothing changed ...
where was I wrong?
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