| [INFINIX] SMART 20 – 120Hz IPS DISPLAY, ANDROID 16, DUAL 8MP CAMERAS, AND DEDICATED MICROSD SLOT (64GB + 4GB RAM) |

📱 Product Highlights |
| 120Hz Smooth IPS Display with 700 nits Brightness |
6.78-inch IPS LCD, 120Hz refresh rate, 700 nits (HBM). HD+ resolution (720 x 1576 pixels, ~259 ppi density). ~82.9% screen-to-body ratio. |
| Android 16 Out of the Box + XOS 16 |
Ships with the latest Android 16 operating system with Infinix’s XOS 16 interface – providing modern features, security updates, and a smooth user experience for entry-level users. |
| Dual 8MP Cameras (Main + Selfie) with 1440p Video |
8 MP, f/2.0 (wide) main camera with AF, dual-LED flash, panorama support. 8 MP, f/2.0 (wide) selfie camera. Both support 1440p@30fps and 1080p@30fps video recording. |
| 5200mAh Battery + 15W Charging + Reverse Wired |
5200mAh battery for extended usage. 15W wired charging. 5W reverse wired charging – allows charging other devices like earbuds or feature phones. |
| Dedicated microSD Slot + 3.5mm Headphone Jack |
✅ Dedicated microSDXC slot for storage expansion (supports up to 2TB). ✅ 3.5mm headphone jack retained for wired audio connectivity. USB Type-C with OTG support. |
| IP64 Dust/Water Resistance + 1.5m Drop Resistance + Side Fingerprint |
IP64 dust tight and water splash resistant. Drop resistant up to 1.5m. Side-mounted fingerprint sensor for quick unlocking. Infrared port. NFC support. FM Radio. |
| 🔧 Technical Specifications & Application |
| Product Name |
Infinix Smart 20 (64GB + 4GB RAM) |
| Model Numbers |
X6840, X6840B |
| Release Date |
March 2026 |
| Status |
Available |
| Operating System |
Android 16, XOS 16 |
| Chipset |
MediaTek Helio G81 Ultimate (12nm) – Octa-core (2×2.0 GHz Cortex-A75 & 6×1.7 GHz Cortex-A55) |
| GPU |
Mali-G52 MC2 |
| Memory & Storage |
64GB eMMC 5.1 internal storage + 4GB RAM. ✅ Dedicated microSDXC slot for expansion (supports up to 2TB). |
| Display |
6.78-inch IPS LCD, 120Hz refresh rate, 700 nits (HBM), HD+ resolution (720 x 1576 pixels), 19.5:9 ratio (~259 ppi density), ~82.9% screen-to-body ratio. |
| Main Camera |
8 MP, f/2.0 (wide), 1/4.0″, 1.12µm, AF. Features: Dual-LED flash, panorama. Video: 1440p@30fps, 1080p@30fps. |
| Selfie Camera |
8 MP, f/2.0 (wide), 1/4.0″, 1.12µm | 1440p@30fps, 1080p@30fps video |
| Audio |
Loudspeaker. ✅ 3.5mm headphone jack supported. |
| Durability & Build |
IP64 dust tight and water splash resistant. Drop resistant up to 1.5m. Build: Glass front, plastic back, plastic frame. Dimensions: 167.7 x 78.8 x 7.7 mm. |
| Connectivity |
4G LTE (GSM / HSPA / LTE) – No 5G | Wi-Fi 802.11 a/b/g/n/ac (dual-band) | Bluetooth (supported) | GPS | USB Type-C 2.0 with OTG | Infrared port | FM Radio |
| NFC |
Yes |
| SIM Options |
Nano-SIM + Nano-SIM |
| Sensors |
Fingerprint (side-mounted), accelerometer, proximity, compass |
| Battery & Charging |
5200 mAh battery | 15W wired charging | 5W reverse wired charging |
| Colors |
Shadow Black, Cloudline Blue, Polaris Titanium, Sunlike Orange |
| Network Technology |
GSM / HSPA / LTE – No 5G support (4G LTE only) |
| 📌 Summary |
The Infinix Smart 20 (64GB + 4GB RAM) delivers essential features for entry-level users:
• 🖥️ Large 6.78-inch 120Hz IPS display for smooth scrolling and media consumption
• 🔋 5200mAh battery for extended usage + 15W charging + 5W reverse wired
• 📸 Dual 8MP cameras (main + selfie) both support 1440p video recording
• 💾 64GB eMMC 5.1 storage + 4GB RAM + ✅ dedicated microSDXC slot for expansion up to 2TB
• 🎧 ✅ 3.5mm headphone jack retained for wired audio
• 🛡️ IP64 dust/water resistance + 1.5m drop resistance for durability
• 🔓 Side-mounted fingerprint sensor for quick unlocking
• 🌐 Android 16 out of the box + Infrared port + FM Radio + NFC
• ⚠️ No 5G – 4G LTE only. eMMC storage (slower than UFS). 15W charging is slower than competitors.Best For: First-time smartphone buyers, students, senior citizens, and budget-conscious users who need essential smartphone features, long battery life, expandable storage, and durability – all with the latest Android 16 operating system. |
| 💰 Critical Purchase Notes |
| Network – No 5G |
This device is 4G LTE only – No 5G support. Verify 4G/LTE band compatibility with your local carrier before purchase. |
| ✅ Key Advantages |
• Dedicated microSD slot – expandable storage without sacrificing dual SIM functionality
• 3.5mm headphone jack – use existing wired headphones without adapters
• Android 16 out of the box – latest OS version for an entry-level device
• 1.5m drop resistance + IP64 – durable for everyday use
• Dual 8MP cameras with 1440p video – both front and rear |
| ⚠️ Limitations |
• No 5G connectivity – 4G LTE only
• eMMC 5.1 storage – slower than UFS storage found in higher-end devices
• IPS LCD display – not AMOLED (lower contrast and blacks)
• HD+ resolution (720p) – lower pixel density than FHD+ displays
• 15W charging – slower than budget competitors offering 18W-33W
• 8MP cameras – basic image quality suitable only for casual use
• GPS only – no GALILEO, GLONASS, BDS, QZSS support |
| Durability Notes |
IP64 rating means dust tight and resistant to water splashes – NOT waterproof. Do not submerge. Drop resistant up to 1.5m onto hard surfaces. A protective case is recommended. |
| Configuration Recommendations |
• 64GB + 4GB RAM (this model): Suitable for basic users with light storage needs (calls, messaging, light browsing).
• 128GB + 4GB RAM: Recommended for users who store more photos, videos, and offline content with microSD expansion. |
| Also Available Configurations |
• 64GB + 4GB RAM (this model)
• 128GB + 4GB RAM |
| Weight Information |
Official weight information is not listed by the manufacturer. The device is expected to be approximately 190-200g based on similar models. |
| Unique Selling Point |
The combination of Android 16 out of the box, dedicated microSD slot, 3.5mm headphone jack, and 1.5m drop resistance makes the Smart 20 one of the most practical entry-level smartphones available – focusing on essential features rather than unnecessary frills. |