🔑 Key Specs — Samsung Galaxy A31
- OS: Android 10, upgradable to Android 12, One UI 4.1
- Chipset: Mediatek MT6768 Helio P65 (12 nm)
- Display: 6.4 inches, 98.9 cm2 (~84.9% screen-to-body ratio)
- Display Type: Li-Po 5000 mAh
- Storage: 64GB 4GB RAM, 128GB 4GB RAM, 128GB 6GB RAM, 128GB 8GB RAM
- Main Camera: 20 MP, f/2.2, (wide)
- Battery: Li-Po 5000 mAh / 15W wired
- Weight: 185 g (6.53 oz)
- NFC: Yes (market/region dependent)
- Colors: Prism Crush Black, Prism Crush Blue, Prism Crush Red, Prism Crush White
- Price: £ 139.00 / € 138.27
✅ Pros
- Li-Po 5000 mAh battery
- NFC support included
- 3.5mm headphone jack
- Dedicated microSD card slot
❌ Cons
- Slow charging speed
- No 5G support
Samsung Galaxy A31 – Full Specifications and Complete Review
📅 Released 2020, April 27
⚡ Quick Overview
💻 Operating System
Android 10, up to Android 12, One UI 4.1
📏 Dimensions & Weight
185g, 8.6mm thickness
💾 Memory & Storage
64GB/128GB storage, microSDXC
🔗 Services Samsung Galaxy A31
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🔧
Problem Solutions
Hardware Fix
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📥
Download Firmware
Rom & Flash
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🔓
Network Unlock
Unlock & FRP
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⚙️
Root Files
Root Files
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📑 Review Contents
Network
| Technology | GSM / HSPA / LTE |
| 2G bands | GSM 850 / 900 / 1800 / 1900 |
| 3G bands | HSDPA 850 / 900 / 1900 / 2100 – SM-A315F HSDPA 850 / 900 / 1700(AWS) / 1900 / 2100 – SM-A315G |
| 4G bands | 1, 2, 3, 5, 7, 8, 20, 38, 40, 41 – SM-A315F 1, 2, 3, 4, 5, 7, 8, 12, 13, 17, 20, 28, 38, 40, 41, 66 – SM-A315G |
| Speed | HSPA, LTE |
Launch
| Announced | 2020, March 24. Released 2020, April 27 |
| Status | Discontinued |
Body
| Dimensions | 159.3 x 73.1 x 8.6 mm (6.27 x 2.88 x 0.34 in) |
| Weight | 185 g (6.53 oz) |
| SIM | · Nano-SIM· Nano-SIM + Nano-SIM |
Display
| Type | Super AMOLED |
| Size | 6.4 inches, 98.9 cm2 (~84.9% screen-to-body ratio) |
| Resolution | 1080 x 2400 pixels, 20:9 ratio (~411 ppi density) |
Platform
| OS | Android 10, upgradable to Android 12, One UI 4.1 |
| Chipset | Mediatek MT6768 Helio P65 (12 nm) |
| CPU | Octa-core (2×2.0 GHz Cortex-A75 & 6×1.7 GHz Cortex-A55) |
| GPU | Mali-G52 MC2 |
Memory
| Card slot | microSDXC (dedicated slot) |
| Internal | 64GB 4GB RAM, 128GB 4GB RAM, 128GB 6GB RAM, 128GB 8GB RAM |
| Other | eMMC 5.1 |
Main Camera
| Quad | 48 MP, f/2.0, 26mm (wide), 1/2.0″, 0.8µm, PDAF 8 MP, f/2.2, 123˚, (ultrawide), 1/4.0″, 1.12µm 5 MP (macro) Auxiliary lens |
| Features | LED flash, panorama, HDR |
| Video | 1080p@30fps |
Selfie camera
| Single | 20 MP, f/2.2, (wide) |
| Video | 1080p@30fps |
Sound
| Loudspeaker | Yes |
| 3.5mm jack | Yes |
Comms
| WLAN | Wi-Fi 802.11 a/b/g/n/ac, dual-band, Wi-Fi Direct |
| Bluetooth | 5.0, A2DP, LE |
| Positioning | GPS, GLONASS, GALILEO, BDS |
| NFC | Yes (market/region dependent) |
| Radio | FM radio, RDS, recording |
| USB | USB Type-C 2.0, OTG |
Features
| Sensors | Fingerprint (under display, optical), accelerometer, gyro, compass |
| Other | Virtual proximity sensing |
Battery
| Type | Li-Po 5000 mAh |
| Charging | 15W wired |
Misc
| Colors | Prism Crush Black, Prism Crush Blue, Prism Crush Red, Prism Crush White |
| Models | SM-A315F, SM-A315F/DS, SM-A315G/DS, SM-A315G, SM-A315N |
| SAR EU | 0.49 W/kg (head) 1.68 W/kg (body) |
| Price | £ 139.00 / € 138.27 |
❓ Frequently Asked Questions — Samsung Galaxy A31
Q1: What is the operating system of Samsung Galaxy A31?
Android 10, upgradable to Android 12, One UI 4.1
Q2: What is the battery capacity of Samsung Galaxy A31?
Li-Po 5000 mAh with 15W wired charging
Q3: What are the camera specs of Samsung Galaxy A31?
20 MP, f/2.2, (wide)
Q4: What is the storage capacity of Samsung Galaxy A31?
64GB 4GB RAM, 128GB 4GB RAM, 128GB 6GB RAM, 128GB 8GB RAM
Q5: Does Samsung Galaxy A31 support NFC?
Yes (market/region dependent)
Q6: What are the dimensions and weight of Samsung Galaxy A31?
159.3 x 73.1 x 8.6 mm (6.27 x 2.88 x 0.34 in) – Weight: 185 g (6.53 oz)
Q7: What chipset does Samsung Galaxy A31 use?
Mediatek MT6768 Helio P65 (12 nm)
Q8: What is the price of Samsung Galaxy A31?
£ 139.00 / € 138.27
