(LEAD) Recall of Note 7 may cut Samsung's H2 operating profit by 820 bln won

(ATTN: ADDS sales of refurbished smartphones in last 8 paras)

SEOUL, Sept. 5 (Yonhap) -- The mass recall of the Galaxy Note 7 smartphones over faulty batteries is expected to cut Samsung Electronics Co.'s second-half operating profit by about 820 bill