Android radio does not give any sound from Citroen c4 coupe

Hello you love… I got an A Sure Android radio, now there’s a problem. The frame fits, the radio can be controlled by the steering wheel, however despite WLAN & Android car connection it does not update the time & does not output absolutely any sound. If I close the old radio to the plug, the sound works perfectly. Unfortunately, only not via the A Sure radio. The cables can not be plugged wrong, they always fit only into an entrance on the radio. What could the lie & does anyone have suggestions for solutions?