Oppo is gearing up to expand its popular F-series lineup in India with the highly anticipated Oppo F31 series, which is expected to debut in September 2025. According to fresh leaks, the series will include Oppo F31, Oppo F31 Pro, and Oppo F31 Pro+ models. The highlight of the lineup is the Oppo F31 Pro+, which is tipped to pack a gigantic 7,000mAh battery—a first for the brand in this category—along with flagship-grade features aimed at performance-driven users.

Oppo F31 Series: Expected Launch Timeline in India

Reports suggest that Oppo will officially introduce the Oppo F31 series in India around September 12 or 14, 2025. If the leaks are accurate, this launch would come just six months after the company unveiled the Oppo F29 series in March 2025.

The Oppo F29 series gained attention with its sleek AMOLED display, powerful mid-range chipsets, and competitive pricing. However, the F31 series appears to take things up a notch by focusing on battery innovation, performance improvements, and durability.

Oppo F31 Pro+: Expected Specifications

Among the three upcoming models, the Oppo F31 Pro+ is tipped to be the most premium offering. A trusted tipster has revealed the following key specifications:

Display: Flat display design with slim bezels

Processor: Qualcomm Snapdragon 7 Gen 3 chipset for smooth multitasking and gaming

Memory & Storage: Up to 12GB RAM and 256GB storage

Battery: A massive 7,000mAh unit for long-lasting performance

Charging Support: Expected to support 80W fast charging

With a 7,000mAh battery, Oppo seems to be targeting heavy users who prioritize battery longevity without compromising on performance.

Oppo F31 and Oppo F31 Pro: Expected Specifications

Both the Oppo F31 and Oppo F31 Pro are also expected to sport high-capacity batteries and capable processors. Early leaks point to the following:

Oppo F31

Processor: MediaTek Dimensity 6300

Battery: 7,000mAh

Charging: 80W fast charging

Oppo F31 Pro

Processor: MediaTek Dimensity 7300

Battery: 7,000mAh

Charging: 80W fast charging

This means all three models in the F31 lineup could feature the same mammoth battery capacity, making the series stand out in the mid-range segment.

Camera and Other Features

While detailed camera specifications of the Oppo F31 series haven’t surfaced yet, reports suggest the lineup may not see major upgrades in the optics department compared to the Oppo F29 series.

For reference, the Oppo F29 5G and F29 Pro 5G featured:

Rear Cameras: 50MP primary + 2MP secondary

Front Camera: 16MP selfie shooter

Display: 6.7-inch AMOLED, Full-HD+, 120Hz refresh rate, up to 1,200 nits brightness

The Oppo F31 series is expected to retain the high-refresh-rate AMOLED display while introducing enhanced durability with Oppo’s claimed “360-degree Armor Body” protection and improved network performance.

What Makes the Oppo F31 Series Stand Out?

Unprecedented Battery Life: With a 7,000mAh battery across the lineup, the Oppo F31 series could set new standards in the budget and mid-range smartphone category.

Balanced Performance: From the Dimensity 6300 in the standard F31 to Snapdragon 7 Gen 3 in the Pro+, Oppo is covering both casual and performance-centric users.

Fast Charging: 80W charging ensures that even such a large battery won’t take too long to power up.

Durability and Connectivity: Enhanced structural strength and better network reception could add to its appeal.

Conclusion

The Oppo F31 series is shaping up to be a power-packed lineup that prioritizes long-lasting battery life without skimping on modern performance features. With three models—F31, F31 Pro, and F31 Pro+—launching in mid-September 2025, Oppo is expected to make a strong mark in India’s competitive mid-range smartphone market.

If the leaks hold true, the Oppo F31 Pro+ with Snapdragon 7 Gen 3, 12GB RAM, and a 7,000mAh battery will be the star of the show. For users who want reliable performance, stylish design, and unmatched battery backup, the Oppo F31 series could be one of the most exciting launches of 2025.

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