OPPO F31 Specs, Official Global Price $320, 7000mAh Battery & SUPERVOOC Review

The OPPO F31 establishes an astonishing milestone in modern smartphone engineering efficiency, delivering unparalleled power density paired with robust multi-ingress environmental defense to global mid-range markets. Debuting with a highly competitive launch baseline price index of $320.00 USD, this super-endurance champion achieves the incredible feat of packing an ultra-massive 7000mAh high-density Silicon-Carbon anode composite battery core inside a slim, highly ergonomic 8.0mm body profile that weighs an incredibly balanced 185 grams. Powered by the high-efficiency 6nm MediaTek Dimensity 6300 platform processor pushing clock speeds up to a fast 2.4 GHz threshold, the handset manages general multitasking boundaries smoothly with 8GB of LPDDR4X system RAM (expandable via an additional 8GB virtual memory partition) and up to 256GB of expandable internal UFS 2.2 multi-channel flash storage. Visual presentation centers on a beautiful 6.57-inch FHD+ 10-bit curved AMOLED display carrying a calculated 88.5% screen-to-body layout ratio, an ultra-smooth 120Hz adaptive refresh sequence, a spectacular 1440 nits peak global excitation brightness, and integrated Splash Touch response mechanics behind tough AGC DT-Star D+ shatter-resistant glass armor. For daily capture needs, the device provides an ultra-durable 50MP primary wide camera cluster paired with a specialized 2MP structural light depth element, complemented by an active 16MP wide front-facing selfie portrait camera. Shielded behind an elite triple environmental matrix satisfying simultaneous IP66, IP68, and IP69 testing thresholds, the F31 pairs blistering 80W SUPERVOOC wired flash charging platforms with a custom internal SuperCool VC heat dissipation core and long-term 5-year battery health lifecycles.

Price$320

RAM8 GB

Storage128 GB

Battery7,000 mAh

Display6.57″

ChipsetDimensity 6300

Camera50 MP

View Full Specs

Cloud Green

At a glance

OPPO F31 Key Highlights

A quick look at the main features that matter most when comparing the OPPO F31 5G with other smartphones.

battery7000mAh Large Battery Inside Ultra-Slim 8mm Frame

Utilizes breakthrough high-density silicon composite anode chemistry to pack immense multi-day runtime thresholds safely inside an exceptionally sleek, lightweight 185g chassis framework.

charging80W SUPERVOOC Flash Charge Infrastructure

Pairs monumental multi-day battery capacity with lightning-fast 80W wired charging pipelines, driving the massive fuel core up from 1% to 37% capacity in just 20 minutes of power connectivity.

durabilityIP66/IP68/IP69 Triple Armor Sealing

Engineered with strict factory-certified perimeter isolation barriers, the interior hardware guarantees absolute defense against micro-dust entry, long deep submersions, and close-range hot steam power washers.

display120Hz 10-Bit AMOLED Screen with Splash Touch

The 6.57-inch AMOLED panel displays 1.07 billion colors natively with a fluid 120Hz refresh sequence, utilizing intelligent Splash Touch calibration maps to remain perfectly responsive across rain-drenched hands.

Quick verdict

OPPO F31 Expert Verdict

The OPPO F31 sets a staggering precedent for mid-range product optimization. By isolating a giant 7000mAh silicon-carbon anode fuel cell safely within a narrow 8mm chassis perimeter, it completely shatters modern constraints surrounding device geometry and heavy battery limits. Reinforced by the robust 6nm Dimensity 6300 processing engine and optimized via advanced ColorOS 15.0 AI imaging frameworks, it handles mainstream app suites and general photographic tasks gracefully. Backed by high-velocity 80W SUPERVOOC charging, an immersive 120Hz AMOLED layout, and an ultra-rugged triple IP66/IP68/IP69 environmental shield, its $320.00 USD price tag represents a spectacularly disruptive value statement for buyers tracking ultimate hardware durability and multi-day longevity.

Best For

Endurance prosumers seeking an ultra-slim 8mm smartphone layout that drops pocket footprints entirely while securing up to 3 days of independent operational runtimes on a single charge cycle
Active outdoor workers and fields professionals who require rigorous structural weather sealing verified via complete IP69 high-pressure hot water steam jet and deep immersion tests
Budget conscious consumers looking for a future-proof, robust build reinforced with internal structural airbag cushioning and premium AGC DT-Star D+ display defense layers
Daily multi-media consumers demanding high-capacity localized media storage expandability up to 1024GB via external physical microSDXC card trays
Users tracking maximum long-term hardware utility, wanting a battery certified via extensive 1830-cycle validation metrics to secure over 5 years of optimal chemical lifespan integrity

Think Twice If

Your smartphone workflows heavily dictate top-tier high-velocity 3D gaming performance or intense 4K@60fps mobile cinematography pipelines
Your wireless workspace absolutely commands automated cable-free power replenishment accessories like standalone Qi wireless charging pads
Your localized data synchronization pipelines strictly require high-speed USB 3.2 data transfer rates to offload multi-gigabyte files over copper wires

Buying help

OPPO F31 Pros and Cons

Quick strengths and trade-offs to compare OPPO F31 5G with other phones before you decide.

Pros

Colossal 7000mAh Silicon-Carbon anode composite battery ensuring an elite, uncompromised 3-day lighter operational runtime profile on a single cycle
Blistering 80W SUPERVOOC wired flash charging capability driving prompt device recovery metrics directly from the enclosed factory power brick
Elite triple IP66, IP68, and IP69 environment armor sealing verifying complete defense against fine micro-dust, long deep submersions, and hot steam power washers
Gorgeous 6.57-inch 120Hz AMOLED display outputting rich 10-bit color tracking depth models containing 1.07 billion colors natively
Remarkable hand-friendly ergonomics maintaining an ultra-thin 8.0mm profile and ultra-lightweight 185g mass distribution despite the mega battery pack
Flexible physical expandable storage options via a built-in microSDXC slot supporting up to an extra 1024GB localized expansion framework
Advanced Splash Touch technology preserving accurate screen inputs even under active rainfall or completely wet finger interfaces
Highly resilient chassis reinforced with internal structural shock-absorbing cushioning elements to protect logic boards from sudden drops

Cons

USB Type-C connectivity port data lane is confined to legacy 2.0 processing architectures, limiting rapid wired hard drive file backups
Complete omission of dedicated wireless charging hardware structures forces total reliance on physical wired connectivity adapters
MediaTek Dimensity 6300 platform is tailored primarily for energy efficiency, rendering it less effective for high-tier professional competitive gaming titles
Primary video recording capabilities top out at a 1080p resolution threshold, offering no high-index native 4K video capturing modes
Lack of a dedicated dedicated ultra-wide angle secondary lens constrains panoramic field-of-view landscape capture options

Who should buy

Who Should Buy the OPPO F31?

The OPPO F31 is explicitly engineered for active mobile users requiring up to three full days of reliable operations without looking for a wall outlet, outdoor enthusiasts and active field professionals who demand high-tier IP69 high-pressure steam jet defense, long-term tech consumers prioritizing structural chassis resilience with a durable 5-year battery warranty tier, and media lovers seeking extensive localized database storage expansion capabilities handled via physical microSD expansion card trays.

Final decision

Final Buying Advice

The OPPO F31 is a phenomenally strong, highly recommended purchase if your phone shopping criteria heavily values extreme multi-day battery endurance limits, an ultra-slim pocket-friendly profile, physical storage expansion capability, and elite environmental durability protection profiles. At its official $320.00 USD global baseline price index, it implements exceptional hardware optimizations—including blazing 80W SUPERVOOC charging, triple IP66/IP68/IP69 water and dust armor, a rich 120Hz AMOLED display, and a 5-year rated battery core—that comfortably challenge alternative devices costing significantly more. Choose this device if you want a reliable, high-resolution portrait Daily Driver that entirely eliminates battery anxiety without filling your hand with an uncomfortably heavy or oversized brick layout. However, if your daily workflow absolutely requires high-speed competitive graphics rendering for top-tier action gaming or physical USB 3.2 data lines to transfer large video archives via data wires, exploring specialized premium performance platforms remains a more effective functional match.

Specifications

OPPO F31 5G — full specifications

BrandOPPO

ModelF31 5G

Price (USD)320

RAM (GB)8

Storage (GB)128

OSAndroid

OS Version15

Battery7000

Screen6.57

2G bandsGSM 850 / 900 / 1800 / 1900 MHz

3G bandsWCDMA Bands 1/8

4G bandsFDD-LTE Bands 1/3/5/8/19/28B, TDD-LTE Bands 38/40/41/42/48

5G bandsSA/NSA NR n1/n3/n5/n8/n28B/n38/n40/n41/n77/n78

Announced2025-09-15

StatusReleased

Height158.2 mm

Width75 mm

Thickness8 mm

Weight185 g

SIMNano-SIM

Water/DustIP66 / IP68 / IP69

Type6.57-inch FHD+ 120Hz 10-bit Curved AMOLED Display Screen Profile

Size6.57 inches

Resolution1,080 / 2,372 / 19.7:9

ProtectionAGC DT-Star D+

OSAndroid

OS Version15

Chipset BrandMediaTek

Chipset ModelDimensity 6300

CPUOcta-Core 64-Bit MediaTek Dynamic Execution Framework / 8 / 2.4

GPUMali-G57 MC2 @ 1072MHz Graphics Platform Core

Internal128 GB

RAM8 GB

SetupClean, flat geometric camera module reinforced with internal shock-absorbing protective cushioning boundaries.

FeaturesUnderwater Camera shooting optimization adjustments, Document Scanner auto-boundary tracing perspective corrections

Video1080p / 60, 1080p / 30

Megapixels16

FeaturesScreen Fill Light auto-calibration balancing face highlight color temperatures, AI Portrait Night Selfie software optimization maps

Video1080p / 30

LoudspeakerYes

Enhancements24-bit/192kHz High-Resolution Audio DAC processing system, ColorOS Ultra Volume Mode boosting loudspeaker outputs cleanly

WLANWi-Fi 5 (802.11ac)

Bluetooth5.4

PositioningGPS, GLONASS, GALILEO, BDS, QZSS

NFCNo

USB TypeUSB Type-C

USB Version2.0

TypeSi/C Li-Ion

Capacity7000 mAh

Wired Charging80 W

Wireless Charging0 W

ColorsMidnight Blue, Cloud Green, Bloom Red

Questions

OPPO F31 5G FAQs

Common questions about OPPO F31 5G price, battery, camera, performance and comparisons.

What is the official price of the OPPO F31?

The OPPO F31 5G launched with an official baseline retail price benchmark of $320.00 USD, competing aggressively within the highly durable mid-range market segments.

When was the OPPO F31 released?

The OPPO F31 5G was officially announced on September 15, 2025, with localized market releases and open retail sales rolling out starting September 27, 2025.

What are the core display specs of the OPPO F31?

The smartphone features a gorgeous 6.57-inch FHD+ 10-bit curved AMOLED display with a resolution of 1080 x 2372 pixels and a fluid 120Hz adaptive refresh rate. It achieves a calculated 88.5% screen-to-body ratio, drives a crisp 1400 nits peak localized excitation brightness, and is shielded by AGC DT-Star D+ cover glass.

Does the OPPO F31 support expandable storage?

Yes, unlike standard high-end flagships, the device incorporates a physical microSDXC expansion slot, allowing users to scale up their local storage repositories up to an additional 1024GB past the internal UFS 2.2 storage pipelines.

What is the battery capacity and charging speed of the OPPO F31?

The phone packs an industry-leading 7000mAh Silicon-Carbon anode composite battery core. It supports high-velocity 80W SUPERVOOC wired flash charging, completing a prompt 1% to 37% fuel state restoration in 20 minutes flat, along with 33W PPS adaptive support and 10W reverse wired charging loops.

What items are included inside the OPPO F31 box?

The standard factory packaging bundle contains the OPPO F31 5G smartphone device unit, an original 80W SUPERVOOC flash power supply wall adapter, a high-current USB Type-A to Type-C connectivity data cable, a sleek custom-tailored protective TPU clear casing sleeve, a mechanical SIM drawer pin extraction tool, and a quick start guide ledger.

Is the OPPO F31 waterproof?

Yes, the phone achieves an uncompromised triple-ingress environmental protection architecture certified under IP66, IP68, and IP69 protocols. This validates full fine dust containment, deep freshwater submersions down to 1.5 meters for 30 minutes, and unique structural resistance against high-pressure, close-range hot water jet power washers.

Which processor chipset runs inside the OPPO F31?

The core system calculations are driven by the power-efficient 6nm MediaTek Dimensity 6300 platform processor chipset. This optimized octa-core setup utilizes a performance architecture scaling up to a 2.4 GHz clock speed ceiling, integrated with an ARM Mali-G57 MC2 graphics engine and an APU matrix processing core.

What is the update policy for the OPPO F31?

OPPO protects this device with a committed mid-range software support layout, guaranteeing 2 major generational Android platform core OS updates built on ColorOS 15.0, alongside 3 full years of critical safety security patch updates to safeguard general system operations smoothly.

What camera specifications define the OPPO F31 layout?

The rear array holds an ultra-durability dual camera matrix: a high-resolution 50MP primary wide sensor core featuring an f/1.8 aperture and PDAF focus lock capability, alongside a dedicated 2MP monochrome depth auxiliary lens (f/2.4) to assist background portrait maps. The front center punch-hole houses a crisp 16MP wide selfie camera matching an f/2.4 aperture space.

What color schemes are available for the OPPO F31?

The device launched in three distinct eye-catching aesthetic color palettes: Midnight Blue (Cosmic depth with shifting tones), Bloom Red (Textured floral vein pattern), and Cloud Green (Silky smooth matte finish gradient layout).