Change the User Agent on Instagram to use mobile version on Desktop
// ==UserScript==
// @name Instagram mobile on Desktop
// @namespace http://bit.ly/sepehrsohrabi
// @version 1.1
// @description Change the User Agent on Instagram to use mobile version on Desktop
// @icon https://www.google.com/s2/favicons?domain=Instagram.com
// @author Sepehr Sohrabi
// @match https://www.instagram.com/
// @include https://www.Instagram.com/*
// @match https://instagram.com/
// @include https://Instagram.com/*
// @grant none
// @run-at document-start
// ==/UserScript==
Object.defineProperty(navigator, 'userAgent', {
value: 'Mozilla/5.0 (iPhone; CPU iPhone OS 12_0 like Mac OS X) AppleWebKit/ 604.1.21 (KHTML, like Gecko) Version/ 12.0 Mobile/17A6278a Safari/602.1.26'
});