Well, I removed the inside usb stick and there are no more glitches or pop-up messages coming.
Using a 2 Amp PSU.
I have ordered the 3 amp PSU, but am having doubts as to use the usb stick inside again.
I would like to know if other people use that usb-port.
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sab unix F solo with openAtv 4.2
DM500HD with Japhar openpli 4.0