: Navigate to Settings > Device Preferences > About > System Update > Network Update to check for official online updates.
A single-part archive titled (371.9 MB) is also hosted on Telegram for manual installation via USB. Installation Methods Download TCL LED43S4900 Firmware part05 rar
The fifth part of the TCL LED43S4900 firmware is available as (67.90 MB) on Receiver Pro . This is one of five required parts for a complete EMMC dump backup of this model. Download & Extraction : Navigate to Settings > Device Preferences >
To correctly use this firmware, you must download of the archive: Part 05 Link : TCL LED43S4900 EMMC Dump Backup.part5.rar This is one of five required parts for
: Contact TCL Support to request the official .bin or .img update file. Copy this to the root of a FAT32-formatted USB drive, insert it into the TV, and hold the physical Power button for 10 seconds while the TV is off to trigger the update.
: Once all parts are downloaded, use WinRAR or 7-Zip to extract only the first part; the software will automatically combine all parts into a single folder containing the firmware file. Alternative Firmware
If your TV is still functional, it is safer to use official update methods before attempting a manual EMMC dump flash: