Ibiza 2016 - Radio not responding after battery died

Apr 19, 2020
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I have Seat Ibiza 2016 with "Media System Touch/Color" basic system (pdf link).
After my battery died (didn't start the car for a week) and I started it with a booster, the radio is "locked":


I can't go to Radio. "Back" isn't working. No radio stations. Clicking "Scan" does nothing.
The mini screen in front of the driver shows "Audio is not available at the moment".
The phone is connected via Bluetooth, but can't hear any sound. Can't play any media as well.
Factory Reset to Radio and Audio and Media didn't help.

Called my dealership, they want 100$ to fix it :(
Anyone knows how to solve it? thanks!
 
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