OnePlus official website purchasing guide The best way to buy a OnePlus phone is to go directly to the OnePlus official website. However, there are some things to note before purchasing. The following is a guide to buying a OnePlus phone to help you complete your purchase quickly and safely. 1. Make sure it is genuine. First of all, make sure you are buying a genuine OnePlus phone. Don\’t be fooled by some low-priced knockoffs. Going to the OnePlus official website can ensure that you buy genuine products and get quality assurance and after-sales service. 2. Choose the right model and configuration. Before buying a OnePlus mobile phone, it is recommended to understand the differences between different models and configurations.