Mobile Phone Off Emoji is represented as a phone in the switched-off form. This indicates that a mobile phone should be off and is commonly used in live performances, cinema halls, or academic places. It is displayed on the screen as a mobile phone with a word written as off. But previously it was displayed on the computers with a cross on the mobile phone.
NOTE: The Mobile Phone Off Emoji made a part of the Unicode 6.0 in 2010 than in the year 2015 it was added to Emoji 0.6.
📴 Mobile Phone Off
: mobile-phone-off : (Github, Slack)