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Samsung A31
| NETWORK | Technology | GSM / HSPA / LTE |
|---|
| LAUNCH | Announced | 2020, March 24 |
|---|---|---|
| Status | Available. Released 2020, April 27 |
| 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 | Single SIM (Nano-SIM) or Dual SIM (Nano-SIM, dual stand-by) |
| 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, One UI 2.5 |
|---|---|---|
| Chipset | Mediatek MT6768 Helio P65 (12nm) | |
| 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 | |
| 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, f/2.4, (macro) 5 MP, f/2.4, (depth) |
|---|---|---|
| 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, hotspot |
|---|---|---|
| Bluetooth | 5.0, A2DP, LE | |
| GPS | Yes, with A-GPS, GLONASS, GALILEO, BDS | |
| NFC | Yes (market/region dependent) | |
| Radio | FM radio, RDS, recording | |
| USB | USB Type-C 2.0, USB On-The-Go |
| FEATURES | Sensors | Fingerprint (under display, optical), accelerometer, gyro, compass |
|---|---|---|
| Virtual proximity sensing |
| BATTERY | Type | Li-Po 5000 mAh, non-removable |
|---|---|---|
| Charging | Fast charging 15W |
| 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) | |
| TESTS | Performance | AnTuTu: 151815 (v8) GeekBench: 5096 (v4.4), 1216 (v5.1) GFXBench: 7fps (ES 3.1 onscreen) |
|---|---|---|
| Display | Contrast ratio: Infinite (nominal) | |
| Camera | Photo / Video | |
| Loudspeaker | -30.9 LUFS (Below average) | |
| Battery life |
Device Grading Scale
A+ / Like New
Like New Products classified as “A+” or “Like New” are functional devices without any physical imperfections. All “A+” grade devices pass our 36-point Phone Check Certification functional tests.
These devices are:
Equipped with clean ESN/iCloud/FRP
Free of customer data
Free of liquid damage
Physical imperfections may include
Glass cosmetics: no scratches or wear
Housing cosmetics: perfect; no scratches, scuffs, pitting, dents, or dings
Battery: 90% capacity
A / Excellent
A grade is 8.5 to 9 out of 10
Excellent Products classified as “A” or “Excellent” are functional devices that include barely visible physical imperfections. All “A” grade devices pass our 36-point Phone Check Certification functional tests.
Equipped with clean ESN/iCloud/FRP
Free of customer data
Free of liquid damage
Physical imperfections may include
Glass cosmetics: barely visible or minimal scratchingr
Housing cosmetics: no scratches or wear; no scuffs, pitting, dents, or dings
Battery: 1 year or newer devices: 75% above capacity Older than 1 year-2 years old: above 50% capacity Older than 2 years old: working battery, no life requirements
B+ / Great
Great Products classified as “B+” or “Great” are functional devices that include minimal physical imperfections. All B+-grade devices pass our 36-point Phone Check Certification functional tests.
These devices are:
Equipped with clean ESN/iCloud/FRP
Free of customer data
Free of liquid damage
Physical imperfections may include
Glass cosmetics: minor to medium scratching, up to one deeper scratch no longer than 1”, no image burns
Housing cosmetics: minor scratching, 1-2 minor dings or dents, minor pitting, minor scuffs, no discoloration
Battery: 1 year or newer devices: 75% above capacity Older than 1 year-2 years old: above 50% capacity Older than 2 years old: working battery, no life requirements
B / Good
B Grade is 7.5 to 8 out of 10
Good Products classified as “B” or “Good” are functional devices that include minor physical imperfections. All “B” grade devices pass our 36-point Phone Check Certification functional tests.
These devices are:
Equipped with clean ESN/iCloud/FRP
Free of customer data
Free of liquid damage
Physical imperfections may include
Glass cosmetics: medium scratching, minor case scarring, 1-2 deeper scratches, no image burns
Housing cosmetics: medium scratching, no more than 4 dings or dents, medium scuffs, medium potential case wear
Battery: 1 year or newer devices: 75% above capacity Older than 1 year-2 years old: above 50% capacity Older than 2 years old: working battery, no life requirements
B- / Fair
B- Grade is 6 out of 10
Fair Products classified as “B-” or “Fair” are functional devices that include several physical blemishes. All “B-” grade devices pass our 36-point Phone Check Certification functional tests.
These devices are:
Equipped with clean ESN/iCloud/FRP
Free of customer data
Physical imperfections may include
Glass cosmetics: medium to heavy scratching, case scarring, heavy wear
Housing cosmetics: heavy wear, dings and dents, scuffs, pitting, potential minor bending
Battery: Operational, no capacity guarantee
C / Fair
C Grade is 5-6 out of 10
Fair Products classified as “C” or “Fair” are functional devices that include several physical blemishes. All “C” grade devices pass our 36-point Phone Check Certification functional tests.
These devices are:
Equipped with clean ESN/iCloud/FRP
Free of customer data
Physical imperfections may include
Glass cosmetics: medium to heavy scratching, case scarring, heavy wear
Housing cosmetics: heavy wear, dings and dents, scuffs, pitting, potential minor bending
Battery: Operational, no capacity guarantee
Battery: no capacity requirements
PTG
PTG / Powers On, Tests Good Powers On, Tests Good Products classified as “PTG” or “Powers On, Tests Good” are devices that include noticeable physical imperfections, and have possible hardware failures (non-board level). All “PTG” devices pass our 36-point Phone Check Certification functional tests.
Equipped with clean ESN/iCloud/FRP
Free of customer data
Physical imperfections may include
Glass cosmetics: cracked, scratches, heavy wear Housing cosmetics: scratches, dents, dings, pitting, scuffs
LCD: heavy wear
Functional hardware failures (non-board level)
Battery: no capacity requirements
BER / Beyond Economical Repair
Beyond Economical Repair Products classified as “BER” or “Beyond Economical Repair” are devices that include noticeable physical imperfections. These devices may also have hardware errors, including board-level issues, and touch ID failure. All “BER” devices are not guaranteed to pass our 36-point Phone Check Certification functional tests. “BER” grade devices are useful as parts stock and in training procedures.
These devices are:
Not guaranteed to have a clean ESN/iCloud/FRP
Free of customer data
Physical imperfections may include
Glass cosmetics: cracked, scratches, minimal to heavy wear
Housing cosmetics: scratches, dents, dings, pitting, scuffs
Board level, IMEI, iCloud, and touch ID failure
Battery: no capacity requirements
Additional Information
| Color | Black, White, Blue |
|---|---|
| Gigabyte | 128GB, 64GB |
| Sim Slot | Double |
| Grade | BN/Brand New |
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