Using it for almost a year so far no issue with the phone. Definitely the best camera phone. My friends are totally in love with this phone because of the SUPERB camera quality. Undoubtedly the best selfie camera phone for those who love selfies. Good for gaming too. Build quality is good too. No lagging issue with the phone so far. Best value for money. Definitely go for it. Totally in love with this phone. Oppo Rocks!