BLU G51S Review: Budget Smartphone with 6.4″ Display

BLU G51S – Ultra-Budget Android Go Smartphone with 6.4″ Display & 4000 mAh Battery

Definition

The BLU G51S is an ultra-budget 4G Android smartphone released in January 2022 by BLU Products, running Android 11 (Go edition) and powered by the Unisoc SC9863A chipset. It features a 6.4-inch HD+ IPS LCD display, dual rear cameras (13MP main + 0.3MP depth), 2GB RAM, 32GB storage, and a 4000 mAh batteryBLU Products. Targeting first-time users, secondary device holders, and cost-conscious consumers, it competes with entry-level models like the Realme C11 and Redmi A1+. Key traits include dual-SIM support, expandable storage, a rear-mounted fingerprint sensor, and a 3.5mm audio jack, all at an affordable launch price of ~$80–$100.

Core Specifications Overview (English)

Category	Details
Launch Date	January 2022
Model Code	GO590WW
Chipset	Unisoc SC9863A (28 nm, octa-core 1.6 GHz Cortex-A55); PowerVR GE8322 GPUBLU Products
Display	6.4-inch HD+ IPS LCD (720×1560, 268 ppi); 60 Hz refresh rate; 19.5:9 aspect ratio, Infinity Dot notchBLU Products
Camera System	Rear: 13 MP main (f/2.2, LED flash, 1080p@30fps video)+0.3 MP depth (portrait mode); Front: 8 MP (f/2.0, 1080p@30fps video)
Memory & Storage	2 GB LPDDR4 RAM; 32 GB eMMC 5.1 (expandable up to 64 GB via microSD, dual-SIM hybrid)BLU Products
Battery	4000 mAh Li-Po (non-removable); 10W wired charging (USB-C 2.0)BLU Products
Connectivity	4G LTE; Wi-Fi 802.11 b/g/n; Bluetooth 4.2; A-GPS; 3.5 mm audio jack; FM radio; no NFCBLU Products
Security & Build	Rear-mounted fingerprint sensor; plastic frame/back; colors: Bronze, Gradient Blue, Green, Red
Dimensions & Weight	162.4 × 77.5 × 9 mm; 185 gBLU Products
Launch OS & Updates	Android 11 (Go edition); no official OS upgrades specified
Launch Price (Global)	~$80–$100

Detailed Hardware & Software Breakdown

1. Display: 6.4-inch HD+ IPS LCD

A basic yet functional screen for daily use:

60 Hz Refresh Rate: Smooth for social apps, web browsing, and SD streaming.
IPS Panel: Wide viewing angles and decent color accuracy for group viewing.
HD+ Resolution: Balances clarity and battery efficiency for entry-level use.

2. Camera: Dual Rear & 8MP Front

Entry-level setup for casual photography:

13 MP Main Camera: Captures daylight photos and 1080p video; LED flash aids low-light shots.
0.3 MP Depth Lens: Enables portrait mode (bokeh) for subject separation.
8 MP Front Camera: For selfies and video calls, with basic AI beautification.

3. Performance & Battery

Unisoc SC9863A: Handles light multitasking, social media, and casual games (no heavy 3D titles).
4000 mAh Battery: ~10–12 hours mixed usage; 10W charging takes ~3 hours for a full charge.
Expandable Storage: MicroSD support up to 64 GB for extra photos, videos, and apps.

4. Software & Connectivity

Android 11 (Go Edition): Optimized for low RAM/storage with lighter Google apps, faster boot times, and data efficiency.
Dual-SIM Hybrid Slot: Supports two Nano-SIMs or one SIM + microSD for flexible connectivity.
Audio: 3.5 mm jack for wired headphones; mono speaker for media playback.

Core Features & Market Position

Key Features

Android 11 Go Edition: Lightweight OS for smooth performance on entry-level hardware.
Expandable Storage: MicroSD support mitigates limited 32 GB internal storage.
Dual-SIM & 3.5 mm Jack: Essential for global users and wired audio enthusiasts.
Rear Fingerprint Sensor: Reliable security access at this price point.