
Galaxy A51
The Samsung Galaxy A51 (model SM A515) debuted in late December 2019 as a cornerstone of Samsung's mid range Galaxy A series. Positioned between entry level budget hardware and upper tier mid rangers like the Galaxy A71, the A51 achieved massive global popularity by bringing flagship inspired design traits to an accessible price point. The phone centers around a 6.5 inch Super AMOLED Infinity O display with an 87.4% screen to body ratio. Internal hardware relies on an Exynos 9611 (10 nm) processor paired with configurations ranging from 4GB to 8GB of RAM and up to 256GB of storage. Originally shipping with Android 10, the device supported long term software upgrades through Android 13 running One UI 5. Designed for media consumers, students, and general users seeking solid display performance without flagship costs, the Galaxy A51 was one of the highest shipping smartphones worldwide following its release. Its quad camera arrangement—led by a 48 MP wide sensor alongside a 12 MP ultrawide and dedicated macro lens—catered to everyday photography. A lightweight plastic housing and a non removable 4000 mAh battery balanced physical ergonomics with all day endurance. Because of its wid…
- Released
- 2019, December 12. Released 2019, December 16
- Display
- 6.5 inches, 102.0 cm 2 (~87.4% screen-to-body ratio) · Super AMOLED
- Resolution
- 1080 x 2400 pixels, 20:9 ratio (~405 ppi density)
- OS
- Android 10, upgradable to Android 13, One UI 5
- Chipset
- Exynos 9611 (10 nm)
- CPU
- Octa-core (4x2.3 GHz Cortex-A73 & 4x1.7 GHz Cortex-A53)
- GPU
- Mali-G72 MP3
- Memory
- 64GB 4GB RAM, 64GB 6GB RAM, 128GB 4GB RAM, 128GB 6GB RAM, 128GB 8GB RAM, 256GB 6GB RAM, 256GB 8GB RAM
- Main camera
- 48 MP, f/2.0, 26mm (wide), 1/2.0", 0.8µm, PDAF 12 MP, f/2.2, 123˚ (ultrawide) 5 MP (macro) Auxiliary lens
- Selfie camera
- 32 MP, f/2.2, 26mm (wide), 1/2.8", 0.8µm
- Video
- 4K@30fps, 1080p@30/120fps; gyro-EIS
- Battery
- Li-Po 4000 mAh, non-removable
- Charging
- Endurance rating 86h
- Dimensions
- 158.5 x 73.6 x 7.9 mm (6.24 x 2.90 x 0.31 in)
- Weight
- 172 g (6.07 oz)
- Build
- Glass front (Gorilla Glass 3), plastic back, plastic frame
- SIM
- · Nano-SIM · Nano-SIM + Nano-SIM
- Network
- GSM / HSPA / LTE
- WLAN
- Wi-Fi 802.11 a/b/g/n/ac, dual-band, Wi-Fi Direct
- Bluetooth
- 5.0, A2DP, LE
- NFC
- Yes
- USB
- USB Type-C 2.0, OTG
- Colors
- Prism Crush Black, Prism Crush White, Prism Crush Blue, Prism Crush Pink
DIY guides
Fix this device step by step
Screen Replacement
Samsung Galaxy A51 4G (A515 2019) Screen Replacement Repair Guide
ADVANCED · ~46 min
Battery Replacement
Samsung Galaxy A51 4G (A515 2019) Battery Replacement Repair Guide
INTERMEDIATE · ~52 min
Charging Port Repair
Samsung Galaxy A51 4G (A515 2019) Charging Port Repair Repair Guide
INTERMEDIATE · ~42 min
Front Camera Repair
Samsung Galaxy A51 4G (A515 2019) Front Camera Repair Repair Guide
INTERMEDIATE · ~45 min
Rear Camera Repair
Samsung Galaxy A51 4G (A515 2019) Rear Camera Repair Repair Guide
INTERMEDIATE · ~60 min
Rear Camera Lens Repair
Samsung Galaxy A51 4G (A515 2019) Rear Camera Lens Repair Repair Guide
INTERMEDIATE · ~30 min
Speaker Repair
Samsung Galaxy A51 4G (A515 2019) Speaker Repair Repair Guide
INTERMEDIATE · ~29 min
Microphone Repair
Samsung Galaxy A51 4G (A515 2019) Microphone Repair Repair Guide
INTERMEDIATE · ~27 min
Power Button Repair
Power Button Repair Guide for Galaxy A51 4G (A515 2019)
INTERMEDIATE · ~39 min
Volume Button Repair
Volume Button Repair Guide for Galaxy A51 4G (A515 2019)
INTERMEDIATE · ~32 min
Water Damage Repair
Samsung Galaxy A51 4G (A515 2019) Water Damage Repair Repair Guide
EXPERT · ~240 min
Logic Board Repair
Samsung Galaxy A51 4G (A515 2019) Logic Board Repair Repair Guide
EXPERT · ~44 min
Fingerprint Sensor Repair
Samsung Galaxy A51 4G (A515 2019) Fingerprint Sensor Repair Repair Guide
INTERMEDIATE · ~22 min
Common problems
Start from the symptom
Samsung Tab Flickering Screen
A flickering Samsung Galaxy Tab screen usually stems from system refresh rate glitches, a loose display flex cable, or failing AMOLED display hardware.
Samsung Tab A Keeps Restarting
If your Samsung Galaxy Tab A keeps rebooting, cycling on the Samsung logo, or shutting down randomly, soft software glitches or a failing battery are usually to blame. Here is how to diagnose and fix it.
Samsung Galaxy Tab 10.1 Won T Turn On
Troubleshooting steps for a Samsung Galaxy Tab 10.1 that refuses to power on or charge. Learn how to force restart, revive a deeply drained battery, and diagnose internal hardware faults.
Phone Speaker Not Working Samsung
Is your Samsung phone speaker muffled, crackling, or completely silent during calls and media? Before replacing hardware, follow this DIY troubleshooting guide to isolate software glitches, clean clogged speaker grills, and diagnose internal speaker failures.
No Volume On Samsung Phone
If your Samsung Galaxy phone has completely lost sound through its main speakers or earpiece, this guide helps you diagnose software glitches, stuck audio modes, and hardware speaker failures.
No Sound On My Samsung Phone
If your Samsung phone suddenly stops playing audio through the main speaker or earpiece, it could be a software conflict, stuck Bluetooth connection, or physical speaker damage. Here is how to isolate the issue and restore sound on your Galaxy device.
My Samsung Won T Connect To Wi‑Fi
Experiencing Wi-Fi connectivity issues with your Samsung phone can be frustrating, but there are several steps you can take to troubleshoot the problem yourself.
My Samsung Screen Is Black
If your Samsung Galaxy screen went completely dark but the phone still vibrates, rings, or gets warm, you are likely facing an AMOLED panel failure or a frozen system kernel. Here is how to diagnose the issue and determine if you need a screen replacement.
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