Keyboard problem

Question

One of my key has four characters ...by default when i press it,writes the ;
When i press it + shift ,it writes the :

Now i pressed a button and it is locked in using the other two characters(same behaviour)

Please help,is there a button to undo it 😭

Answer 1

I got it ...it is one tap alt+shift together...this is stupid it changes my language , but it fixes it

bad user exp

Answer 2

Which keyboard