Tecno Spark 20C sports a 6.6-inch HD+ (720 x 1612 pixels) Dot Notch display with a 90Hz refresh rate. It is powered by the MediaTek Helio G36 SoC. The device has up to 128GB of in-built storage which is expandable and up to 8GB RAM with additional virtual RAM.
For photos and videos, the Tecno device has a dual rear camera setup that comprises of a 50-megapixel primary sensor, plus an AI sensor and dual LED flash. There is also a 8-megapixel selfie camera sensor at the front with a flash as well.
Connectivity options include 4G LTE, Wi-Fi, Bluetooth, FM radio, GPS/ A-GPS, and a USB port. The device is backed by a 5000mAh battery which seems to support 18W charging. The phone has a side-mounted fingerprint sensor along with dual speakers. It runs on Android 13 Go Edition based HiOS 11.
| Status | Launched |
| Launch Date | 27 February, 2024 |
| Price (₹) | 8,999 |
| Memory Variants | 8/128 GB |
| Colour Options | Black, Magic Skin, Green, White |
| Front Protection Glass | Some Glass |
| Device Back | Polycarbonate/Plastic |
| Screen Size (Inches) | 6.6 |
| Screen Type | IPS LCD |
| Screen Resolution | 720 x 1612 pixels |
| Screen Aspect Ratio | 20:9 |
| Refresh Rate | 90 Hz |
| Touch Sampling Rate | Unknown |
| Chipset | MediaTek Helio G36 |
| Phone RAM | 8 GB |
| Phone RAM Type | LPDDR4 |
| Storage Capacity | 128 GB |
| Storage Type | eMMC 5.1 |
| Memory Card Slot | Yes, Dedicated Slot |
| OS & UI | Android 13 (Go edition), HiOS |
| Rear Camera Module | Dual |
| Rear Camera Specs | 50MP rear camera, f/2.0 aperture, Dual LED Flash + AI camera |
| Front Camera Module | Single |
| Front Camera Specs | 8MP |
| Front Camera Features | Dual LED Flash |
| Battery Capacity (mAh) | 5000 |
| Fast Charging | |
| Charging Speed | 18W |
| Wireless Charging | |
| Reverse Charging |
| Supported Networks | 4G/LTE |
| SIM Slots | Triple Slot (2 SIM + Memory Card) |
| Bluetooth | v5.0 |
| Wi-Fi | Wi-Fi 2.4Ghz |
| USB Port | USB Type-C |
| NFC Chip | |
| Supported GPS | AGPS, GLONASS |
| 3.5 mm Audio Jack | |
| Set of Speakers | Stereo |
| Face Unlock | |
| Fingerprint Reader | Side Mounted |
| IR Blaster | |
| Sensors | Accelerometer, Fingerprint, Proximity |