Best upcoming phones for 2025 and 2026: Upcoming Smartphones in December: How to Choose the Best Phones for 2025 and 2026

Guide to Finding Your Next Phone in 2025 and 2026
The pace of smartphone launches in November was so rapid that December was expected to be quiet. But this month also has a surprise in store for you. In December 2025, Best upcoming phones brands like Oppo, Vivo, OnePlus, and Realme are set to launch several major flagship and mid-range models in India. If you’re looking to buy a new phone, this last leg of the year (December 2025) could prove to be a jackpot for you. This list includes all the models that will be launched in India in the coming weeks and are already generating significant buzz in the market.
Discover Your Next Phone: Upcoming Models for 2025-2026-Upcoming Smartphones In December 2025
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Vivo X300 Series (December 2)

Vivo will launch its X300 and X300 Pro models in December 2025. With this series, the company has focused equally on camera and performance. Both phones are powered by the 3nm MediaTek Dimensity 9500 processor, which delivers a perfect balance between efficiency and power. Vivo’s Pro Imaging VS1 and V3+ chips further enhance the photography experience.
The X300 Pro features a 50MP Sony LYT-828 primary camera, supported by a 50MP ultrawide and 200MP APO telephoto lenses. Zeiss tuning makes it ideal for users seeking a high-quality photography experience.
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Realme P4x 5G (December 4)

The Realme P4x 5G will also launch in December 2025. It’s aimed at those looking for a performance-oriented mid-range phone. It’s powered by the MediaTek Dimensity 7400 Ultra chipset, a mid-range chipset that’s reliable for gaming and multitasking. The phone also boasts a high refresh rate of 144Hz, making scrolling and animations extremely smooth.
Most interestingly, its 7000mAh Titan battery pack can easily power long days. It also includes 45W fast charging, and a large vapor chamber cooling system helps with temperature control.
OnePlus 15R (December 17)

The most notable launch of December 2025 will be the OnePlus 15R. It will be India’s first smartphone to feature the Snapdragon 8 Gen 5 processor, making it a standout in the market. The phone will run on OxygenOS 16, based on Android 16, which takes its smoothness and customization to a new level.
This time, the phone will feature a vertical camera module on one side instead of a round one. It will house two cameras. Its black (Charcoal Black) and minty green colors add a premium look. OnePlus has also focused heavily on durability, with the phone rated IP66, IP68, IP69, and IP69K.
Oppo Reno 15C (December launch)

Best upcoming phones Oppo’s Reno series has always been well-received for its design and camera. The Reno 15C is expected to feature a 6.59-inch 1.5K resolution display with support for a 120Hz refresh rate. It is expected to be powered by the Snapdragon 7 Gen 4 chipset, which delivers balanced performance and handles even heavy apps with ease.
Its cameras are also quite interesting. With a 50MP Sony LYT-600 primary camera, an 8MP ultrawide lens, and a 50MP Samsung JN5 telephoto lens, this model will appeal to users who focus on portrait and zoom quality in addition to everyday photography.
OnePlus Ace 6T (Chinese launch)

The OnePlus Ace 6T is set to launch in China in December, and it’s believed this phone could be introduced in India as the OnePlus 15R. It will also feature a Snapdragon 8 Gen 5 chipset and be available in Black, Green, and Violet color variants. Its flat display and slim bezels give it a clean, premium look.
The camera module will be square in shape and will likely feature two lenses. This launch will be crucial for those tracking the international models.
Several models are also expected to arrive this month that haven’t been officially announced, but leaks and reports are constantly emerging. These include the Vivo S50, Vivo S50 Pro Mini, Redmi 15C 5G, Poco C85 5G, Oppo A6x, Redmi Turbo 5, and Vivo X300 FE.
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FAQ: Best upcoming phones for 2025 and 2026
Which phone is launching next?
Best upcoming phones for 2025 and 2026 | |
|---|---|
| Mobile phone | Price Available From |
| Xiaomi Redmi K90 Pro Max ₹50,990 Upcoming | ₹50,990 Upcoming |
| Vivo X300 Pro 5G | ₹1,09,999 Upcoming |
| OnePlus 15R 5G | ₹44,999 Upcoming |
| Nothing Phone 3a Lite | ₹19,999 Upcoming |
What are the new phones coming out in 2026?
What Are the Best Upcoming Phones for 2025 and 2026? Few of the upcoming mobile phones expected to launch in 2025 include vivo T4 Pro 5G, realme P4 Pro 5G, motorola Edge 70 Pro, Xiaomi Redmi 15 5G, and OPPO Reno 15 Pro 5G. These models will bring advanced features like powerful cameras, high-speed charging, and large batteries.
Disclaimer: Best upcoming phones
At the time of writing this post, this is the Best upcoming phones for 2025 and 2026, its price keeps changing with time smartphone offers.
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