Privately, many are seething at a trip that does nothing to advance their efforts to force Pyongyang to release their loved ones and, instead, they believe serves to effectively legitimise South Korean efforts to cosy up to Kim Jong-un's regime.
"For our team meetings it is going through to English to South Korean to North Korean".
The North Korean officials arrived here Friday as part of a 22-member delegation, led by the North Korean ceremonial head of state, Kim Yong-nam, who is the president of the Presidium of the Supreme People's Assembly.
Samsung, an official worldwide partner of the Games, had prepared some 4,000 Olympic editions of the Galaxy Note8 phone to give to participating athletes as well as IOC staff.
President Moon in return asserted that the agreement cannot be accepted by either the victims themselves or the Korean people; he had said late a year ago that the agreement was fundamentally flawed.
South Korean President Moon Jae In and high-ranking North Korean officials, including leader Kim Jong Un's sister, held rare formal talks on Saturday, a day after the two nation's athletes marched under a unified flag at the Olympics.
Moon and Kim Yo Jong broke out broad smiles as they shook hands ahead before the start of the opening ceremony at Pyeongchang's Olympic Stadium. They may also see a performance by a visiting North Korean art troupe in Seoul on Sunday before flying back to Pyongyang.
The IOC has chose to give the North Korean athletes the phones, but only for the duration of the Games. Writing for NK Pro, Scott LaFoy says, "It may also be the case that this is a heavily modified Tochka system [another Russian missile]...[but] the imagery is insufficient for building a confident assessment".
"We are not giving any information on the itinerary of President Moon in advance", a spokesman told AFP.
"However, what is more important than anything else is that we are all here together now; we can cheer for athletes together and talk about our future", Moon said. "I was standing and I think the whole team felt very much welcome and this welcome does not depend on who stands and who does not stand", Bach said.