Smartphone Showdown: Upcoming Devices in October 2025, Including OnePlus 15, Vivo X300 Pro & More

The smartphone landscape is preparing for an exciting October 2025, with several major manufacturers set to introduce new flagship devices. The upcoming releases include the OnePlus 15, Vivo X300 Pro, Oppo Find X9 Ultra, and iQOO 15. The OnePlus 15 is rumored for a launch in China next month, with expectations of a Qualcomm Snapdragon 8 Elite Gen 5 processor, up to 12GB of RAM, and up to 512GB of storage. It is expected to include a 6.78-inch LTPO OLED display with a 165Hz refresh rate, a triple camera configuration, and a 7000mAh battery with 120W fast charging capability. The Vivo X300 Pro is targeted for an October 13, 2025, release in India, and is speculated to feature a MediaTek Dimensity 9500 processor, 12GB of RAM, and 256GB of internal storage. The camera setup is likely to have a 200MP periscope telephoto lens, catering to photography enthusiasts. The Oppo Find X9 Ultra is anticipated to launch on October 16th, featuring a MediaTek Dimensity 9500 chipset, 12GB of RAM, and 256GB of storage. A 200MP telephoto camera is also expected. The Oppo Find X9 Ultra is likely to operate on Android 16-based ColorOS 16, with a global launch planned later in the year. The iQOO 15 is tailored for gamers, potentially incorporating RGB strips. It may come with a 6.8-inch LTPO 2K AMOLED display with a 144Hz refresh rate. The device could feature a Qualcomm Snapdragon 8 Elite Gen 5 processor and a 7000mAh battery, as well as a triple rear camera configuration.