Device colors: black, white, gray, and blue.

Phone dimensions: 165.6 mm long, 77 mm wide, 7.7 mm thick.

Phone construction materials: Plastic side frame and back.

The device is dust and splash resistant with an IP64 rating. 6 indicates excellent dust protection, while 4 indicates water resistance, but not immersion in water.

The phone is equipped with two Nano SIM cards, and supports the insertion of both SIM cards and a memory card in the same slot.

Supports 2G, 3G, and 4G networks.

The phone features a 6.67-inch IPS LCD display with a resolution of 720 x 1600 pixels + HD, a pixel density of 260 pixels per inch, and supports a 120Hz screen refresh rate.

The Tecno Spark 40 comes with an octa-core MediaTek processor, divided into two cores clocked at 2.0 GHz and six cores clocked at 1.8 GHz, along with a Mali-G52 MC2 graphics processor. The processor is manufactured using a 12nm process.

It comes with 128 or 256 GB of eMMC 5.1 internal storage and 4, 6, or 8 GB of LPDDR4x RAM. Storage options are divided as follows: 128/4 GB, 128/6 GB, 256/4 GB, or 256/8 GB. The device supports external storage expansion via a MicroSD memory card.

The phone runs Android 15 with HIOS 15.

The phone features a 50-megapixel rear camera with an f/1.8 aperture, autofocus, and 2K video recording at 30 fps and FHD video recording at 30 fps.

The front camera is 8-megapixel and supports FHD video recording at 30 fps.

The battery is 5,200 mAh and supports 45W fast charging.

The phone features dual stereo speakers with a 3.5mm headphone jack.

It supports Wi-Fi 5 a/b/g/n/ac, dual-band, and hotspot.

Bluetooth is available in version 5.3 with support for LE and A2DP.

The phone features a USB Type-C port (version 2.0) that supports OTG.

The Tecno Spark 40 supports GPS.

The device supports an IR blaster to control home appliances using infrared light.

The device is equipped with an accelerometer, compass, and proximity sensor for calls.

It is equipped with a fingerprint sensor located in the power button on the side of the device and supports Face Unlock.