Chuwi Hi10 Xpro graphical key blocked the tablet

i have chuwi Hi10 Xpro. my child entered wrong graphical key and blocked the tablet. It not even possible to make recovery and nothing else. Power+volume up make nothing . And other combinations. What to do? Who can help?

@manonegra222 is there any way to restore factory in this situation? Or it needs tobe sent all the files?

On the meantime @eds79 can you provide me your serial number?

I dont need any files. want just make faxtory reset, but no one combination is suitable. how to make factory reset?

Hi , i asked tech and this tablet cannot do like reset from factory it needs to be flashed.I can send you the files if you want.