B?n c?ng c?n ??m b?o r?ng s?n ph?m không b? l?i ho?c h? h?ng. ??c bi?t là các s?n ph?m nh? tai nghe, s?c d? phòng c?n ki?m tra k? ?? ??m b?o an toàn cho thi?t b? ?i?n tho?i c?a b?n.3. Onsite Service Just after Distant Diagnosis and various Crucial Information: *On-web page Support or Highly developed Trade Assistance just after distant prognos