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Samsung
Galaxy A31
Official name Samsung · Device code a31
The samsung Galaxy A31 is a 2020 Android device with 4GB RAM running API level 31. Released 6 years ago. Without a recent OS update, this device is unlikely to receive further security patches from Google.
4 GB RAMAndroid 1224 variantsarm64-v8a1080 × 2400
Processor
Helio MT6768
Graphics
ARM Mali G52
First indexed
2020-04-01
Quick verdict
Where this phone stands
Released in 2020, the Galaxy A31 is now 6 years old — best considered as a budget or secondary device in 2026.
Weaknesses
Older Android release
Released 6 years ago. Without a recent OS update, this device is unlikely to receive further security patches from Google.
Specifications
The numbers, sorted
Display
1080 × 2400 · 420 DPI
Chipset
Helio MT6768
CPU
2-core · up to 2,000 MHz
GPU
ARM Mali G52
RAM
4 GB RAM
Android
Android 12
Primary ABI
arm64-v8aSecondary ABIs
arm64-v8a, armeabi-v7a, armeabiOpenGL ES
OpenGL ES 3.2
Hardware features
117 declared capabilities, grouped
Pulled from the device's PackageManager.hasSystemFeature manifest. Useful for developers checking compatibility, or for buyers curious whether a specific sensor or DRM level is present.
android.hardware.bluetoothandroid.hardware.bluetooth_leandroid.hardware.usb.accessoryandroid.hardware.usb.hostandroid.hardware.wifiandroid.hardware.wifi.directandroid.hardware.wifi.passpointcom.samsung.android.nfc.t4temulcom.sec.feature.usb_authentication
Variant matrix
All 24 known variants
Different regional, carrier, and hardware revisions catalogued. Storage tiers and firmware ship independently per variant.
| Region | Variant code | Model | RAM | Storage | |
|---|---|---|---|---|---|
| Global | a31xx | SM-A315F | 4 GB RAM | — | |
| Global | a31nseea | SM-A315G | 4 GB RAM | — | |
| Global | a31nseea | SM-A315G | 4 GB RAM | — | |
| Global | a31ks | SM-A315N | 4 GB RAM | — | |
| Global | a31nsdx | SM-A315G | 4 GB RAM | — | |
| Global | a31nsdx | SM-A315G | 4 GB RAM | — | |
| Global | a31nsdx | SM-A315G | 4 GB RAM | — | |
| Global | a31ks | SM-A315N | 4 GB RAM | — | |
| Global | a31nndx | SM-A315G | 4 GB RAM | — | |
| Global | a31nsdx | SM-A315G | 4 GB RAM | — | |
| Global | a31nsdx | SM-A315G | 4 GB RAM | — | |
| Global | a31nndx | SM-A315G | 4 GB RAM | — | |
| Global | a31zh | SM-A315G | 4 GB RAM | — | |
| Global | a31xx | SM-A315F | 4 GB RAM | — | |
| Global | a31xx | SM-A315F | 4 GB RAM | — | |
| Global | a31xx | SM-A315F | 4 GB RAM | — | |
| Global | a31ks | SM-A315N | 4 GB RAM | — | |
| Global | a31tur | SM-A315F | 4 GB RAM | — | |
| Global | a31ser | SM-A315F | 4 GB RAM | — | |
| Global | a31nndx | SM-A315G | 4 GB RAM | — | |
| Global | a31ser | SM-A315F | 4 GB RAM | — | |
| Global | a31xx | SM-A315F | 4 GB RAM | — | |
| Global | a31xx | SM-A315F | 4 GB RAM | — | |
| Global | a31ser | SM-A315F | 4 GB RAM | — |
Catalog footprint
How much of this phone we've indexed
24
Variants tracked
Regional, carrier, firmware variants
median 4
117
Hardware features
PackageManager manifest
median 132
129
System libraries
Bundled .so libraries
median 118
119
OpenGL extensions
GPU extension set
median 64