I installed a flash ROM on the PC, it did not work, the phone does not want to connect, it does not come out of the Blackview logo, I already formatted it by boot but nothing is left by the name Blackview. What can I do, please help me?

email: thalesgc3@gmail.com

Please flash again. be sure to use the correct driver and original cable. If it don't work try an other usb port or PC