According to the communication app, LINE, after 3:00 pm on the 12th, problems such as being unable to send and receive messages called "talk" between users and video calls occurred, but the model was changed by about 5:20 pm It means that it has almost recovered except for some functions such as taking over the data of the time.
The company is rushing to recover some of the remaining malfunctioning functions and is investigating in detail to see if a system problem is the cause.