Line官方雙開功能終於來了！不再怕手機壞掉、沒電，無法回訊息！#line
Synopsis
教你用LINE官方「追加裝置」功能，輕鬆讓備用手機也同步聊天紀錄，重要訊息不再漏接！做業務的更是適合這個功能，雙機隨時 ...
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