OnePlus has a history of questionable promo campaigns and this one might get your blood boiling too - "the OnePlus 5T smashes the competition, literally". Here's the setup. A OnePlus 5T goes head to head versus Apple's iPhone X and iPhone 8 and Samsung's Galaxy S8 and Note8. The challenges include unlocking the phone, shooting a photo, play music and so on. We don't want to give away the outcome, we'll just say you'll get flashbacks of the infamous OnePlus One campaign that had people smashing their old phones. Source
Source: https://www.gsmarena.com/oneplus_5t_promo_campaign_smashes_other_phones-news-29699.php