It is possible that:
Firmware is not a magic cure. Do not attempt to re-flash if: t.ms638.733 firmware
Firmware often changes the IR code. If you flash firmware from a "Brand A" TV onto a "Brand B" TV, your original remote might stop working. How to Install T.MS638.733 Firmware (USB Method) It is possible that: Firmware is not a magic cure
The TV is stuck on the standby light (Red Light) or the boot logo (Smart TV logo). t.ms638.733 firmware
Here’s a forum-style post based on your request. I’ve assumed this is for a device firmware update discussion (e.g., a router, IP camera, or IoT device). Adjust the product name if needed.