For the , a 49-inch Full HD Smart LED TV launched around 2016-2017, there is no single "RAR" file officially hosted for public download. Instead, TCL provides software updates primarily through the TV's internal menu or via specialized support channels. How to Update Your TCL L49P10FS
You can update your TV's software using one of the following official methods: How to update the software on an Android TV - TCL Support Download TCL L49P10FS Software rar