Press and hold the on the TV (not the remote) for roughly 10 seconds while turning the TV on.
: Copy the extracted file directly to the root directory of a FAT32-formatted USB drive (do not put it in a folder). Initiate the Update : Power off the TV and insert the USB drive. Download LED32D2700 rar
: TCL's official website often directs users to contact their after-sales team to request specific firmware files for older models like the D2700 series. Manual USB Installation (Local Update) Press and hold the on the TV (not
: If your TV is connected to the internet, navigate to Settings > System > About > System update and select Check for update . If a new version is found, it will download and install automatically. : TCL's official website often directs users to
If you obtain the .rar file, follow these steps to install it: