To truly test the OnePlus 15, I brought it with me on a recent trip to South Korea, along with several competing Android devices, including the Samsung Galaxy S25 Ultra and Google Pixel 10 Pro XL.

If you are fond of mobile games but don't want to spend more than $1,000 to get the most powerful flagship phone on the market, the OnePlus 15 would serve you well. It is priced at $899 for the base ...