General
- Brand Infinix
- Model Smart 20
- Device Smartphones
- Added February 18, 2026
- Updated September 16, 2026
Launch
- Announced 2026, February 22
- Status Available. Released 2026, February 22
Network
- Technology GSM / HSPA / LTE
- 2G bands GSM B2 / 3 / 5 / 8
- 3G bands HSDPA B1 / 2 / 4 / 5 / 8
- 4G bands LTE B1 / 2 / 3 / 4 / 5 / 7 / 8 / 20 / 28A / 28B / 38 / 41 (120M) / 40
- Speed HSPA, LTE
Body
- Dimensions 167.7 x 78.8 x 7.7 mm
- Build Glass front, plastic back, plastic frame
- SIM Nano-SIM + Nano-SIM
- Others IP64 dust tight and water resistant (water splashes)
Display
- Type IPS LCD, 120Hz, 700 nits (HBM)
- Size 6.78 inches, 111.0 cm2 (~90.09% screen-to-body ratio)
- Resolution 720 x 1576 pixels, 19.7:9 ratio (~259 ppi density)
Platform
- OS Android 16, XOS 16
- Chipset Mediatek Helio G81 Ultimate (12 nm)
- CPU Octa-core (2x2.0 GHz Cortex-A75 & 6x1.7 GHz Cortex-A55)
- GPU Mali G52
Memory
- Card slot microSDXC, up to 2TB (dedicated slot)
- Internal 64/128GB EMMC
- RAM 4 GB LPDDR4X
- Variant 4GB 64GB / 4GB 128GB
Main camera
- Dual 8 MP, f/2.0, (wide), 1/4.0", 1.12µm, AF Auxiliary lens
- Features Dual-LED flash, AI Cam, Video, Dual Video, Portrait, Time-Lapse, Super Night, Pro, Panorama, Documents
- Video 1440p@30fps, 1080p@30fps, 720@30fps
Selfie camera
- Single 8 MP, f/2.0, (wide), 1/4.0", 1.12µm
- Video 1440p@30fps, 1080p@30fps, 720@30fps
Sound
- Loudspeaker Yes
- 3.5mm jack Yes Tuned by DTS
Connectivity
- WLAN Wi-Fi 802.11 a/b/g/n/ac
- Bluetooth Yes
- GPS GPS
- NFC Yes
- FM radio Yes
- USB USB Type-C 2.0, OTG
Features
- Sensors Fingerprint (side-mounted), accelerometer, proximity, compass
Battery
- Stand-by 933.57 hours with 4G
- Music play 25.38 hours
- Type Non-removable Li-Po
- Capacity 5200 mAh
- Charging 15W wired 5W reverse charge
More
- Made by China
- Color Shadow Black, Polaris Titanium, Sunlike Orange, Cloudline Blue
- Models X6840B