Attention! All actions you perform at your own peril and risk. During the firmware process, there is a small chance that you can ruin the smartphone, and there will be no way to restore it, so carefully follow all instructions. In case of unsuccessful self-firmware update of the INOI smartphone, this malfunction will not be a guarantee, and the service center has grounds for removing the device from the guarantee. Before flashing, save all the information that you need, because during flashing all data will be deleted!
https://yadi.sk/d/bGkAwgMPGEPlSA - Program for updating the firmware
https://yadi.sk/d/cSUIHnp88C0H6A - Firmware for INOI 6i v1.2