The quality of OPPO products is one of our top priorities.
The #OPPOF21ProSeries adopts IPX4 standard for water resistance testing and they are also placed underwater at a depth of 20cm for 30sec to deliver #OPPOQualityPromise.
Buy now: https://t.co/pCd5DDpcte pic.twitter.com/L2t7LD2o3R

— OPPO India (@OPPOIndia) April 29, 2022