Open WhatsApp from Home Screen or Spotlight search. Swipe the WhatsApp card up to force close the app. Open the App Switcher, by swiping up from the bottom of the screen. Most of the time this issue is fixed by relaunching the app: Until the Facebook-owned app gets a software update that patches this issue, you can try the following to fix it: 1.
This seems to happen every now and then, when trying to quote a message sent by the conversation partner. I’ve recently tried to reply to a WhatsApp message, but ended up with a concealed keyboard. Are WhatsApp replies not working on your iPhone? You’re trying to reply to a message but the quote isn’t showing up when you select the Reply option? The iOS keyboard is also hidden and it’s impossible to type anything?