FILE PHOTO: The logo of the Advanced Info Service Public Company Limited is pictured at an exhibition hall in Bangkok, Thailand, May 12, 2016. REUTERS/Athit Perawongmetha/File Photo/File Photo
FILE PHOTO: The logo of the Advanced Info Service Public Company Limited is pictured at an exhibition hall in Bangkok, Thailand, May 12, 2016. REUTERS/Athit Perawongmetha/File Photo/File Photo