OnePlus officially teased the OnePlus 15 in a black colorway, revealing its flat, boxy design and a bold new square camera module androidcentral.com. The OnePlus 15’s aesthetics represent a significant shift from its predecessor. Gone is the circular camera bump of the OnePlus 13; instead, OnePlus has adopted an iPhone-inspired square camera island at the top-left of the back androidcentral.com. In leaked photos and on-stage demos, the phone looks like a mashup of a Pixel and an iPhone – featuring flat aluminum sides and contoured edges reminiscent of Apple’s recent design language androidcentral.com androidcentral.com. Despite housing a much larger battery, the OnePlus 15 is reportedly no heavier or bulkier than the OnePlus 13, weighing ~211–215g notebookcheck.net notebookcheck.net. Build materials are premium: a metal frame and a matte glass back in three finishes – Absolute Black, Mist Purple, and Original Sand Dune notebookcheck.net androidcentral.com. OnePlus has also improved durability: the 15 is expected to carry an IP68 rating and even an IP69K rating for high-pressure water jets androidcentral.com – an uncommon level of ruggedization that could appeal to outdoor users. For biometrics, OnePlus is upgrading to an ultrasonic in-display fingerprint scanner androidcentral.com, which should be faster and more reliable than the