Unable to use other apps while on call
Could anyone pls help..I am unable to use other apps while on WhatsApp call or normal call,the screen just turns off(black screen) when we click on any app icon.
for Eg: I am on WhatsApp call(using earphones) and I want to add another person on call so when I click on WhatsApp icon the screen just turns off..I have to be super fast clicking it...