Once the blinking stops, remove the USB and restart the TV.
Knowing your hardware is critical before flashing. This software is designed for: VS.SP35821.2 YouTube Resolution: 1920x1080 (FHD) Region/Brand: MEPL India File Format: .rar (Extract to get the .bin file) Why You Might Need This Firmware Download SP35821 1920x1080 MEPL India part2 rar
Fixing software corruption that mimics hardware failure YouTube. Once the blinking stops, remove the USB and restart the TV