Touch LUX 4 Emerald display changed, after update NOT WORK properly

Hi,

We have changed the broken display of Touch LUX 4 Emeraldnak with the screen bought from you ED060XCD . It worked super. The system offered an update. I clicked on it and since then it no longer works properly. It was version 6. I tried downgrading it to 5.20. But it didn’t help. It doesn’t senses the touch properly.

I formatted the internel memory, it didn't help.

If you can help, please advise.