From Vivo X300 Series to OnePlus 15R: Smartphones Launching in December 2025

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-Tanaya Dutta

Updated: Wednesday, December 3, 2025, 20:11 [IST]

November was quite a busy month with launches ranging from the flagship to several mid-range phones. From the OnePlus to the iQOO, top smartphone OEMs launched their latest flagships powered by the Snapdragon 8 Elite Gen 5 chip.

In addition, several budget phones like Realme C85 and Moto G67 Power made their debuts. But the last month of the year promises even more excitement with numerous new models on the horizon. From the Vivo X300 series to the OnePlus 15R, several models are set to arrive next month. So without any further delays, let’s take a look at the list of phones that are launching in December 2025.

Upcoming Phones in India and Other Markets (December 2025)

Vivo X300 Series (Launch Date: Dec 2)

Vivo is gearing up to launch the X300 and the X300 Pro in India on December 2. Following their debuts, they will be available for purchase via Flipkart, Amazon, and the company’s official website. Both units will be powered by the MediaTek Dimensity 9500 chipset, ZEISS optics, a dedicated imaging chip (on the Pro model), and many more. Read our previous story to learn full specifications.

OnePlus 15R (Launch Date: Dec 17)

The OnePlus 15R is confirmed to launch in India on December 17. The upcoming OnePlus phone will be the first phone to launch globally with the new Snapdragon 8 Gen 5 Mobile Platform. The handset will be available for purchase in India via Amazon, where a dedicated landing page has already gone live. Click here to know more about the OnePlus 15R.
In addition to the smartphone, OnePlus is also launching the Pad Go 2 tablet on the same day. The OnePlus Pad Go 2 will have a sleek and skin-friendly finish, smooth to the touch and elegantly refined, and will be available in two colorways: Shadow Black and Lavender Drift.

Realme P4x 5G (Launch Date: Dec 4)

Realme is set to unveil the P4x 5G in India on December 4. The brand has already confirmed that the smartphone will pack a massive battery, a 144Hz display, and the MediaTek 7300 Ultra chip. It will also go on sale via Flipkart. Click here to know more about Realme’s upcoming P-series phone.

Redmi 15C 5G (Launch Date: Dec 3)

Xiaomi’s sub-brand is gearing up to launch the Redmi 15C on December 3 in India. The smartphone will be available for purchase via Amazon. It will likely feature a 6.9-inch HD+ LCD display with a 120Hz refresh rate. It will be powered by the MediaTek Dimensity 6300 chipset. To know detailed features, read our previous story.

OnePlus Ace 6T (Launch Date: Dec 3)

OnePlus is also set to launch the Ace 6T in China on December 3. This will be the first phone to be powered by the Snapdragon 8 Gen 5 SoC. Moreover, the OnePlus Ace 6T is said to be rebranded as the OnePlus 15R in the Indian and global markets.

POCO C85 5G (Launch Date: Dec 9)

POCO is gearing up to launch the POCO C85 5G in India on December 9 at 12pm IST. Following the launch, the smartphone will go on sale via Flipkart. The official teaser also showcases the phone in a purple finish with a dual-tone rear panel. To learn more about the POCO C85, click here!

Motorola Edge 70 (Expected Launch Date: Dec 15)

Motorola is also expected to launch the next-gen Edge 70 in India this month. While there is no official word regarding the same, reports suggest the launch could take place around December 15.

Vivo S50 Series (Launch: December)

The Vivo S50 series is set to launch in China in December, succeeding the Vivo S30 lineup. However, the exact launch date is still under wraps. The next-gen S50 series may include at least two models – the Vivo S50 and S50 Pro Mini. Read our previous story to learn more about the S50 series.

In addition, OPPO may launch the Reno 15C in China, while the Reno 15 series is also preparing for a global debut. The OnePlus 15S, Vivo X300 FE, and OPPO Reno 15 Mini are in the pipeline for the Indian market. Moreover, the Motorola Edge 70 Ultra, Realme 16 series, and Redmi Note 15 series are also expected to debut soon, most likely next year. If any new launches surface, we will keep updating our story. Stay tuned!