A big reason for the confusion in IP ratings is cost. The T-Mobile versions of the OnePlus 8, OnePlus 9, and OnePlus 10 Pro have an IP68 rating because carriers prefer IP certification. However, customers in Europe, India and the United Kingdom getone pluscell phoneThere is no IP level certification.
Sadly, the inconsistencies aren’t just for IP ratings. Last year, the OnePlus 9 had wireless charging in every region except India. Foreign technology media WccFetch wants the company to take a more consistent approach, bringing the same functionality in every region.