Tecno Camon 15 Air.  (CD6)
Tecno Camon 15. (CD7)
Tecno Camon 15 Pro.  (CC8)
Tecno Camon 15 Premier.  (CD8j)
These are Android-based smartphones that are part of Tecno Camon 15 series. The device were unveiled during an online event held on 2 April 2020 due to the COVID-19 pandemic as successors to Tecno Camon 12 series. It is the seventh generation of Tecno's Camon Series of smartphones, Operating system
Android 10 with HiOS 6.0.

Their Dimensions are as follows
Camon 15 Air:
164.5 mm × 76.5 mm × 8.9 mm (6.48 in × 3.01 in × 0.35 in)
Camon 15:
164 mm × 76.3 mm × 8.7 mm (6.46 in × 3.00 in × 0.34 in)
Camon 15 Pro:
163.3 mm × 77.7 mm × 9 mm (6.43 in × 3.06 in × 0.35 in)
Camon 15 Premier:
163.3 mm × 77.7 mm × 9 mm (6.43 in × 3.06 in × 0.35 in)

Camon 15 Air and Camon 15 operates on: MediaTek Helio P22
Camon 15 Pro got the : MediaTek Helio P35
while Camon 15 Premier: MediaTek W Helio P35

Memory & storage
Camon 15 Air: 3 GB RAM
Camon 15: 4 GB RAM
Camon 15 Air and Camon 15: 64 GB;

Camon 15 Pro and Camon 15 Premier: 6 GB RAM
Camon 15 Pro and Camon 15 Premier: 128 GB

Battery
Camon 15 Air and Camon 15: 5000 mAh
Camon 15 Pro and Camon 15 Premier: 4000 mAh

All features of the Tecno Camon 15 series are;
Sensors:
Accelerometer
Fingerprint scanner
Magnetometer
Gyroscope
Ambient light sensor
Proximity sensor
Intelligent digital assistant
Face ID.

Rear camera
Camon 15 Air and Camon 15: 48 MP + 5MP (ultrawide) + 2MP macro + QVGA
Camon 15 Pro: 48 MP + 5MP (ultrawide), 115° FoV + 2MP macro, ultra night lens, f/1.79, DSP chip + QVGA
Camon 15 Premier: Sony 64 MP + 5MP (ultrawide), 115° FoV + 2MP (depth) + QVGA
All: Quad LED flash, HDR, AI scene detection, PDAF, 1080p@30fps, bokeh, panorama
Front camera
Camon 15 Air: 8 MP, f/2.0, (wide)
Camon 15: 16 MP, f/2.0
Camon 15 Pro and Camon 15 Premier: 32MP motorized pop-up

All have : Dual LED flash, HDR, 1080p@30fps