My Blackview BV9900 Pro has the same problem as written above. It is in continuous boot loop. What should I do?

Good day     My 2 or so month old Blackview BV9900 Pro has got into a bootloop. Plugged in the Android logo is shown, a few seconds later the red LED turns off and then the device restarts. I've attempted to use recovery mode and fast boot mode, but I get the same results. I have not attempted to r...