![Oppo F31 Series: India Launching on September 15: Here's What we Know [Price & Specs]](https://www.gadgetsdom.com/wp-content/uploads/2025/09/image-5.png)
Oppo is gearing up for its next big mid-range offering with the F31 Series, set to debut in India on September 15 at 12 PM IST. Branded as the “Durable Champion,” the new lineup promises a mix of power, endurance, and sleek design aimed at young professionals and heavy smartphone users.
Unlike most mid-range rivals, Oppo is highlighting ruggedness with this series. All models are expected to feature IP66, IP68, and IP69 ratings, making them resistant to dust, water, and even high-pressure jets. Add in Oppo’s 360° Armor Body design, and the F31 family is clearly built for users who want longevity alongside style.

Big Battery & Fast Charging
One of the headline features across the series is the 7,000 mAh battery. This is coupled with 80W fast charging, which should deliver hours of use in just minutes of plug-in time. It’s a strong selling point for Indian consumers who value all-day battery life.
Design & Durability: Built to Endure
Oppo is emphasizing resilience with this lineup:
- All three models boast IP66, IP68, and IP69 ratings, delivering top-tier protection against dust, water, and even high-pressure sprays.
- They also feature a robust “360-degree Armor Body” paired with a slim, stylish design.
- Color variants include:
- F31: Blue, Green, Red
- F31 Pro: Gold, Grey (sometimes noted as deep blue or black)
- F31 Pro+: Blue, Pink, White.

Specs Breakdown: Power, Display & Cameras
Battery & Charging (All Models)
- Massive 7,000 mAh battery
- 80 W wired fast charging.
Display & Performance
- Oppo F31 5G: ~6.57 in 120 Hz AMOLED, MediaTek Dimensity 6300, 8 GB RAM, 128 GB storage.
- Oppo F31 Pro 5G: Likely same display size, powered by Dimensity 7300 Energy SoC, with front camera bump to 32 MP.
- Oppo F31 Pro+ 5G: Larger 6.79 in 120 Hz AMOLED, Snapdragon 7 Gen 3, and up to 256 GB storage; accompanied by 12 GB RAM in some leaks.
Camera Setup (Rear & Front)
- Rear (all models): 50 MP primary + 2 MP depth sensor
- Front:
- F31: ~16 MP shooter
- F31 Pro & Pro+: ~32 MP shooter

Pricing Estimate: India Market Focus
Oppo seems poised to deliver budget-friendly pricing:
- Oppo F31 5G: Likely under ₹20,000 (some reports suggest under ₹25,000; one speculative listing puts it at ₹19,990)
- Oppo F31 Pro 5G: Expected around ₹30,000
- Oppo F31 Pro+ 5G: Positioned at roughly ₹35,000
Smart pricing targeted for mid-tier buyers looking for high value.
Summary Table
Model | Launch Date | Battery & Charging | Processor & Config | Cameras (Rear / Front) | Durability & Design | Expected Price (India) |
---|---|---|---|---|---|---|
Oppo F31 5G | Sept 15, 12 PM IST | 7,000 mAh + 80 W | Dimensity 6300, 8 GB RAM, 128 GB | 50 MP + 2 MP / 16 MP | IP66/68/69, Armor Body, Blue/Green/Red | Under ₹20,000 (~₹19,990) |
Oppo F31 Pro 5G | Same | 7,000 mAh + 80 W | Dimensity 7300, likely 8+ GB RAM | 50 MP + 2 MP / 32 MP | IP66/68/69, Armor Body, Gold/Grey | Around ₹30,000 |
Oppo F31 Pro+ 5G | Same | 7,000 mAh + 80 W | Snapdragon 7 Gen 3, up to 12/256 | 50 MP + 2 MP / 32 MP | IP66/68/69, Armor Body, Blue/Pink/White | Around ₹35,000 |
What Sets the F31 Series Apart?
- Unmatched Battery and Charging
A whopping 7,000 mAh battery with very fast 80 W charging sets a new standard for battery life in mid-range phones. - Outstanding Durability
With IP66, IP68, and IP69 ratings, plus a 360-degree Armor Body, these could be among the toughest phones in their class. - Balanced Specs for Value Buyers
From Dimensity chipsets to the Snapdragon 7 Gen 3 option, Oppo balances cost and performance across the lineup. - Versatile Design Choices
Offering vibrant colors and thoughtful camera module designs for aesthetic variety.
As the “Durable Champion” of mid-range, the Oppo F31 series is poised to raise the bar in the Indian smartphone market. With impressive battery endurance, high resistance to the elements, and competitive pricing, the F31, F31 Pro, and F31 Pro+ could offer exceptional value to users who demand both performance and longevity. Watch for the official reveal and further details on September 15—this may well be Oppo’s strongest mid-range push this year.