In November, big Chinese players like OnePlus, iQOO, and Realme dropped their flagship smartphones on the market. As we step into the last month of the year, there is still some action left. The smartphone releases this month will cater to a broad spectrum of users, be it photography enthusiasts with the Vivo X300 series or gamers with the Poco F8 series. Let’s take a look at all the upcoming smartphones in December 2025.
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In This Article
Vivo X300 series
Vivo’s flagship X300 series will arrive in India this month. Like its predecessor, it’ll consist of 2 variants: X300 and X300 Pro. Both models are powered by the MediaTek Dimensity 9500 chipset and are rated IP68/IP69 for protection against dust and water. The Pro model rocks a 6.78-inch LTPO AMOLED display with a 120Hz refresh rate and a peak brightness of 4,500 nits. Its rear camera array comprises a 50MP primary shooter, a 200MP periscope telephoto lens with 3.7x optical zoom, and a 50MP ultrawide lens. Meanwhile, the base variant is equipped with a 200MP primary shooter, a 50MP telephoto lens with 3x optical zoom, and a 50MP ultrawide lens.
Launch Date: December 2
OnePlus 15R
OnePlus came out with its flagship smartphone last month. In December, it’ll strengthen its portfolio with the flagship-killer OnePlus 15R. The brand has confirmed that this smartphone will be powered by the Snapdragon 8 Gen 5 SoC. This chipset, developed together by Qualcomm and OnePlus, brings a 36% rise in CPU performance, an 11% increase in GPU performance, and a startling 46% improvement in AI capabilities over its predecessor. Not much is known about the 15R’s camera specs so far, but it will very likely feature a triple sensor array. There will be an IP68/IP69 rating on board.
Launch Date: December 17
Oppo Reno15
Oppo’s midrange camera specialist, Reno15, could make its way to India this month. It is powered by the MediaTek Dimensity 8450 SoC and runs the Android 16-based ColorOS 16 out of the box. Its rear camera panel houses a 200MP primary shooter, a 50MP ultrawide lens, and a 50MP telephoto lens with 3.5x optical zoom. The 6.32-inch AMOLED display has a 120Hz refresh rate and can reach a peak brightness of 3,600 nits. There is IP68/IP69 protection on board. The smartphone can survive high-pressure jets and is immersible up to 2m for 30 minutes. The 6,200mAh battery pack supports 80W fast charging.
Expected Launch: Late December
Realme P4x
Realme’s P4 series made its grand debut in India back in August. As the year comes to an end, Realme will make one final addition to the series. The lower-midrange Realme P4x will be powered by the MediaTek Dimensity 7400 Ultra chipset and run the Android 15-based Realme UI 6 out of the box. Designed to bring a high-end gaming experience on a budget, the P4x will rock a 144Hz ultra-smooth display and support up to 90fps on BGMI and up to 120fps on Free Fire Max. To keep the internal temperature in check, the device will be equipped with a 5300mm² VC Frostcore Cooling System. The super massive 7,000mAh battery pack will support 45W fast charging.
Launch Date: December 4
Redmi 15C 5G
The Redmi 15C 5G is confirmed to launch this month. The key specs of the device are not known yet, but we can confirm that it will be powered by a MediaTek Dimensity processor and rock a 6,000mAh battery pack. There will be 8GB RAM and 128GB/256GB storage on board. The 6.9-inch display will have a refresh rate of up to 120Hz and a maximum brightness of 810 nits. The rear camera will very likely house a 50MP primary shooter and an auxiliary lens. The 6,000mAh battery pack will support 33W wired charging.
Launch Date: December 3
Poco F8 series
The Poco F8 series comprises 2 gaming beasts – F8 Pro and F8 Ultra. The two smartphones have already been launched in certain international markets. They will make their way to India this month. The Pro model is powered by the Snapdragon 8 Elite chipset, while the Ultra model draws power from the Snapdragon 8 Elite Gen 5 SoC. Both devices are rated IP68 for dust and water resistance. OS duties are handled by the Android 16-based HyperOS 3. The Pro model packs a 6,210mAh battery pack with support for 100W charging. The Ultra model rocks a larger 6,500mAh battery pack with support for 100W wired and 50W wireless charging.
Expected Launch: Mid-December
Moto G57 Power
The Moto G57 Power arrived in India last month, but it will go on sale on December 3. It is priced at Rs 14,999, but the brand is offering Rs 2,000 off as part of an introductory offer. The G57 Power is powered by the Snapdragon 6s Gen 4 processor and runs Android 16 out of the box. The 6.72-inch FHD+ LCD panel has a 120Hz refresh rate and can reach a peak brightness of 1,050 nits. There is 8GB LPDDR4X RAM and 128GB storage on board. The smartphone comes in 3 colour options: Pantone Regatta, Pantone Fluidity, and Pantone Corsair.
Launch Date: December 3
Final Thoughts
These are all the upcoming smartphones that we are excited for in December 2025. If you’re a Samsung loyalist, you may want to wait until November for the flagship Galaxy S26 series. Got any questions? Let us know in the comments!









