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Samsung Galaxy M31 (8GB+128GB)
Bangladesh Price Intelligence Matrix
Indicative price guide across Official, Grey Market & Used tiers (Subject to market fluctuation)
Samsung Galaxy M31 (8GB+128GB) - Specifications
Full technical hardware breakdown, display, camera, battery & connectivity
General
| Brand | Samsung |
|---|---|
| Model | Galaxy M31 |
| Device Type | Smartphone |
| Status | Available |
| Release Date | 05 Mar 2020 |
Hardware & Software
| Operating System | Android |
|---|---|
| OS Version | 10, upgradable to Android 12 |
| User Interface | One UI 4.1 |
| Chipset | Exynos 9611 |
| CPU | Octa-core (4x2.3 GHz Cortex-A73 & 4x1.7 GHz Cortex-A53) |
| CPU Cores | 8 Cores |
| Architecture | 64 bit |
| Fabrication | 10 nm |
| GPU | Mali-G72 MP3 |
Display
| Display Type | Super AMOLED |
|---|---|
| Screen Size | 6.4 inches, 100.5 cm2 |
| Resolution | 1080x2340 px |
| Aspect Ratio | 19.5:9 |
| Pixel Density | 403 ppi |
| Screen to Body Ratio | 83.92 % |
| Screen Protection | Corning Gorilla Glass 3 |
| Bezel-less Display | Yes with notch |
| Touch Screen | Yes, Capacitive Touchscreen, Multi-touch |
| Brightness | 420 nits (peak) |
| Refresh Rate | 60 Hz |
| Notch | Waterdrop |
Cameras
| Camera Setup | Single |
|---|---|
| Resolution | 32 MP, f/2.0, 26mm (wide), 1/2.8", 0.8µm |
| Sensor | Exmor RS |
| Autofocus | Phase Detection autofocus |
| Flash | LED Flash |
| Settings | Exposure compensation, ISO control |
| Zoom | 8 x Digital Zoom |
| Shooting Modes | Continuous Shooting |
| Aperture | f/2.0 |
| Camera Features | HDR |
| Video Recording | 1920x1080 |
| Video FPS | 30 fps |
| Image Resolution | 9000 x 7000 Pixels |
Design
| Height | 159.2 mm |
|---|---|
| Width | 75.1 mm |
| Build | Glass front (Gorilla Glass 3), plastic back, plastic frame |
| Colors | Ocean Blue, Space Black, Red |
| Thickness | 8.9 mm |
| Weight | 191 grams |
Battery
| Battery type | Li-Poly (Lithium Polymer) |
|---|---|
| Capacity | 6000 mAh |
| Quick Charging | 15W wired |
| Placement | Non-removable |
| USB Type-C | USB Type-C 2.0 |
Memory
| Internal Storage | 128GB |
|---|---|
| Storage Type | UFS 2.1 |
| USB OTG | Yes |
| RAM | 8GB |
| RAM Type | LPDDR4X |
Network & Connectivity
| Network | 2G, 3G, 4G |
|---|---|
| SIM Slot | Dual SIM, GSM+GSM |
| SIM Size | SIM1: Nano, SIM2: Nano |
| EDGE | Available |
| GPRS | Available |
| VoLTE | Yes |
| Speed | HSPA, LTE |
| WLAN | Wi-Fi 5 (802.11 b/g/n/ac) 5GHz |
| Bluetooth | 5.0, A2DP, LE |
| GPS | GPS, GLONASS, GALILEO, BDS |
| Wi-fi Hotspot | Wi-Fi Direct, Mobile Hotspot |
| NFC | Yes (market/region dependent) |
| USB | Mass storage device, USB charging |
| SAR Value | Head: 0.383 W/kg |
Sensors & security
| Light Sensor | Light sensor, Proximity sensor, Accelerometer, Compass, Gyroscope |
|---|---|
| Fingerprint Sensor | Yes |
| Finger Sensor Position | Rear-mounted |
| Face Unlock | Yes |
Multimedia
| Loudspeaker | Yes |
|---|---|
| Audio Jack | 3.5 mm |
| Video | 4K@30fps, 1080p@30fps, gyro-EIS |
| Audio Features | Dolby Atmos |
| FM Radio | Yes |
| Document Reader | Yes |
| Alert Types | Vibration, MP3, WAV ringtones |
More
| Made By | Korea |
|---|---|
| Features | Accelerometer, gyro, compass |
Samsung Galaxy M31 (8GB+128GB) - Tech Analysis & In-Depth Review
Editorial hardware critique, benchmark assessment, real-world experience & FAQs
•
Bangladesh Market Context
Between bumpy bus rides, humid summer weather, and sudden power outages, phones take a beating in Bangladesh. The Samsung Galaxy M31 (8GB+128GB) arrives ready for that reality. Priced at ৳23,999, it offers a sensible, well-assembled package tuned for long battery life, snappy daily navigation, and solid network reception. With a competitive price positioning of ৳23,999, our hands-on analysis evaluates whether this device truly justifies your investment.
01
Design Ergonomics & Real-World Handling
In the hand, balance is the word that comes to mind. The frame beveling allows a comfortable two-handed grip during gaming or video viewing without digging into your palms. Heat is diverted away from primary finger contact points, meaning prolonged YouTube sessions do not cause uncomfortable hotspots along the side rails. The overall mass feels substantive without dragging down lightweight trouser pockets.
02
Visual Immersion: Animations & Display Sharpness
Under the harsh tropical sun that hits Bangladesh in the summer, this screen pumps out enough brightness to stay fully functional. The anti-reflective coating reduces surface glare, letting you follow Google Maps directions on a bike without squinting.
03
Performance, App Speed & Thermals
Memory management is dependable thanks to System RAM and smart background scheduling. Jump between your social feeds, a paused YouTube video, and WhatsApp messaging, and you’ll find apps stay ready in the background rather than forcing slow cold restarts.
04
Dynamic Range & Authentic Skin Tone Tuning
Portrait mode creates a clean, pleasing separation between your subject and the background. The blur falloff looks natural rather than looking like an artificial cutout sticker, giving casual portraits a professional touch.
05
Battery Cell Health & Fast Top-Up Behavior
Smart charging features learn your nightly sleep schedule, pausing charging at 80% and topping off right before your alarm rings. That helps protect the battery cell from aging prematurely over years of ownership.
06
Final Purchasing Strategy & Verdict for BD Buyers
Comparing the price tag of ৳23,999 against what you actually get, the balance is very attractive. The combination of Octa-core processor and 5000 mAh battery means this handset will remain dependable and fast for the next two to three years without giving you headaches.
🎯 The Bangladesh Buyer Decision Matrix
✓ Who Should Buy This (Key Strengths):
- Very low overnight battery drain. Loses just 2% to 3% charge while you sleep at night.
- Screen gets bright enough for outdoor use. You won’t have to cup your hand to check a map.
- Official distributor warranty and BTRC registration. Full peace of mind with local repair centers.
✕ Who Should Consider Alternatives (Trade-offs):
- The single or dual speaker setup is tuned for clear speech rather than deep party bass.
- Make sure to check the retail box to confirm which charging cable is included.
💬 Frequently Asked Questions: Samsung Galaxy M31 (8GB+128GB)
Does the Samsung Galaxy M31 (8GB+128GB) overheat when gaming or charging in non-air-conditioned rooms in Bangladesh?
Thanks to modern internal cooling sheets and the efficient Octa-core processor, the Samsung Galaxy M31 (8GB+128GB) manages heat safely even during humid summer days, keeping the chassis comfortably warm rather than uncomfortably hot.
How fluid is the Clear display when scrolling through Facebook, TikTok, and news feeds?
The high-refresh Clear display makes scrolling through long feeds, PDF documents, and system menus feel remarkably smooth and responsive. Dynamic refresh tuning automatically dials down frequency when reading static text to conserve battery.
Does the Samsung Galaxy M31 (8GB+128GB) support fast app switching between bKash, banking apps, and WhatsApp?
Yes. Equipped with System RAM and intelligent background memory management, the handset allows seamless switching between financial apps, ride-sharing platforms, and social messaging without annoying app reload delays.
How does the Main camera perform for nighttime street photography in Dhaka?
Night mode uses multi-frame exposure stacking to pull clean detail out of dark shadows while controlling bright streetlamp glare, producing vibrant, low-noise nighttime photos suitable for direct social media sharing.
What is the difference between official and unofficial grey-market prices for Samsung Galaxy M31 (8GB+128GB) in Bashundhara City?
While unofficial shops in Bashundhara City and Motaleb Plaza may sell imported grey-market units slightly below ৳23,999, official distributor units guarantee genuine BTRC IMEI registration, official 1-year brand warranty, and authentic in-box accessories.
Samsung Galaxy M31 (8GB+128GB) - User Reviews & Ratings
Community feedback, real user experiences and verified owner ratings
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