- By Prateek Levi
- Thu, 27 Nov 2025 02:49 PM (IST)
- Source:JND
November has been a good month so far when it comes to flagship smartphone releases, as this is the time many companies drop their top-of-the-line products, like the OnePlus 15, Realme GT 8 Pro and iQOO 15, to name a few. Focused first on Chinese markets (a few of them), the products have eventually made their global debut, including in India.
But this is not the end, and this time the last month of the year, i.e., December, is also lined up with flagship releases that will surely make you think twice before you make your final purchase. So before you go ahead and finalise your pick, let us give you a sneak peek into what's lying ahead.
December 2025 Upcoming Mobile Launches
This is that time of the year when most flagships have showcased themselves, and it seems like the best time to get yourself a nice handset, but what if I told you waiting just a bit more could give a better perspective on what to get? This December you will get to see OnePlus 15R, Realme P4x 5G, Vivo X300 Pro and Vivo X300. This line-up consists of premium flagship to mid-range smartphones that will definitely make you think twice.
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OnePlus 15R
Scheduled for December 17, this new handset will join the OnePlus 15 family, and it is the first smartphone that is claimed to run on Qualcomm's latest Snapdragon 8 Gen 5 chipset. It has been confirmed that it will go on sale via Amazon and will be available in the Charcoal Black and Minty Green colourways.
The OnePlus 15R is said to offer IP66, IP68, IP69, and IP69K ratings for dust and water resistance. Rumours indicate a dual-rear camera housed in a rectangular module, with power and volume buttons on the right. It is confirmed to run Android 16-based OxygenOS 16 in India. The exact launch date in India is yet to be announced.
Vivo X300 Series
Vivo will launch the X300 series, including the X300 Pro and X300, in India on December 2 at 12 pm IST via its online store. Both models will be powered by a 3nm MediaTek Dimensity 9500 SoC, paired with a Pro Imaging VS1 chip and V3+ imaging chip, running Android 16-based OriginOS 6. The X300 Pro will feature a Zeiss-tuned triple rear camera setup: a 50MP (f/1.57) Sony LYT-828 primary shooter, a 50MP (f/2.0) Samsung JN1 ultrawide lens, and a 200MP (f/2.67) HPB APO telephoto camera.
Realme P4x 5G
The Realme P4x 5G is confirmed to launch in India on December 4 at 12 pm IST via Flipkart. It will be powered by a MediaTek Dimensity 7400 Ultra 5G chipset and feature a 144 Hz display. The device comes with a 7,000 mAh Titan battery supporting 45 W wired fast charging and a 5,300 sq mm vapour chamber cooling system. Additional specifications are expected to be revealed closer to the launch.
OnePlus Ace 6T
The OnePlus Ace 6T, a rebranded version of the 15R, is confirmed to launch in China in December, though the exact date is yet to be announced. It will run on Snapdragon 8 Gen 5 SoC and be available in black, green, and violet. The phone will feature a large, flat display with narrow bezels and a square camera module likely housing two lenses.
Oppo Reno 15C
The Oppo Reno 15C is expected to launch in December alongside the Reno 15 Pro and vanilla Reno 15. Rumours suggest it will sport a 6.59-inch 1.5K display with up to a 120 Hz refresh rate, powered by Snapdragon 7 Gen 4. The rear setup could include a 50MP Sony LYT-600 primary camera, an 8MP ultrawide lens, and a 50MP Samsung JN5 telephoto lens.
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Other Expected December Launches
Additional smartphones expected in December include the Vivo S50 Pro Mini, Vivo S50, Redmi 15C 5G, Honour GT 2 Series, Poco C85 5G, Redmi Turbo 5, Vivo X300 FE, Oppo A6x, and Redmi Magic 11 Air. This list will be updated as more launch dates are confirmed.