Learn how to unbrick/flash this device using sp flash tool from here
Learn how to flash this device using SP MultiPortDownloadTool from here
Note
Follow the instructions on how to flash the device carefully from the link above
I will not take responsibility on whatever may happen to your device.
Make sure you are downloading the exact ROM of the device you want to flash because
flashing a wrong preloder, will make the device completely dead
(can't power on, can't charge and will not be detected by a computer)
TECNO C8 SPECS
Android 5.0 (Lollipop) upgradable to Android 6.0 HiOS (Marshmallow)
5.5-inch Touchscreen, 720 x 1280 , IPS 267 ppi
1.3GHz quad-core Processor
MT6735
Mali T760 GPU
MT6735
Mali T760 GPU
1GB RAM
16GB Internal Memory
Supports up to 32GB microSD
13MP Rear Camera, LED Flash, Auto Focus
5MP Front Camera
Dual SIM
EDGE / GPRS
WCDMA
WIFI 802.11 b/g/n
bluetooth 4.0
3000mAh Battery
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