Request to add vol+/vol- buttons to the key lock and reset functions of the player

I have had this player for a long time and to this day I can’t understand how it was possible to set the reset function to the largest button, which is also responsible for turning the player on and off, because of this procedure the button lock function is useless, I’m shocked that they have not fixed it yet, especially that you can easily fix it just add the vol+ and vol- buttons to the key lock and reset function for example: to lock the buttons you have to hold down the already assigned button and the vol+ button, and to reset the mp3 player you have to hold down the on/off button and the vol- button… is it so difficult to do?