If the TV won't turn on at all, you likely need a (.bin or .hex) rather than a standard firmware update (.zip or .exe). These are usually hosted on electronics repair forums:
Recovering a TV that is stuck on a standby light or "boot looping". Download FLASH DUMP SHARP 32LE244E rar
Fixing minor bugs or updating features while the TV is functional. CH341A Programmer (or similar) If the TV won't turn on at all, you likely need a (
This site is a reliable repository for technicians. They host a Software Update Description Download FLASH DUMP SHARP 32LE244E rar