Does line use data or wifi. Anyone have a fix? Hi all. Line was launched in Japan in June 2011 by NHN Japan, a subsidiary of Naver. When connected to Wi-Fi, you can still use most of the functions on your phone like browsing the internet, using apps that are connected to the internet, sending messages via messaging apps, making calls through internet-based services like Skype or WhatsApp, and accessing online content. Learn about AT&T's best unlimited data plans, 5G phone plans and other wireless plans. TSA shortages due to DHS shutdown lead to travel disruptions at airports across U. Online only. Line app does not work on mobile data, only WiFi. We're TruConnect, the wireless service that offers high-speed data, unlimited talk and unlimited text to qualifying customers through free government phone plan programs. Understanding Line Messages Line messages encompass text-based communications sent via the LINE platform. only WIFI! This is a big problem because I have been using line for years as my main form of communication. mns opab cqp wlx mugl hohr semrfb sfvxur ceol nufm