Send the following on WhatsApp
Continue to ChatSave a Number or Note During a Phone Call on Android Phone https://thetechhacker.com/2015/12/27/save-a-number-or-note-during-a-phone-call-on-android-phone/
Save a Number or Note During a Phone Call on Android Phone https://thetechhacker.com/2015/12/27/save-a-number-or-note-during-a-phone-call-on-android-phone/