Downloading and installing firmware from third-party "dump" sites carries inherent risks:
The firmware must match the specific LCD panel model used inside the chassis to ensure correct picture orientation and color mapping. Risks and Best Practices
Modern LED TVs like the Micromax 40T2810FHD are essentially specialized computers. When a TV becomes stuck on the logo, fails to turn on despite a healthy power supply, or exhibits erratic software behavior, the issue often isn't a physical component failure but within the flash memory.
Frequently associated with boards like the TP.VST59.P83 (this can vary by manufacturing batch).