OnePlus 12R owners can seek a refund on their purchase of the handset until March 16, according to the company. According to a post by OnePlus President and COO Kinder Liu, buyers who have purchased the OnePlus 12R can return their handset during a one-month refund period.OnePlus 12R owners can seek a refund on their purchase of the handset until March 16, according to the company. According to a post by OnePlus President and COO Kinder Liu, buyers who have purchased the OnePlus 12R can return their handset during a one-month refund period.