The is a 4K UHD Android TV model. Updating its firmware can resolve common issues like app lag, unresponsive remotes, or system glitches. Updates are primarily delivered through two methods: Network Update (OTA) and Local Update (USB) . Update Methods 1. Network Update (OTA)
Download the firmware file (usually a .pkg or .zip ) from the TCL Support Page for your specific region. Copy it to a FAT32-formatted USB drive.
: This is the standard method for most users. You can check for updates by navigating to Settings > Device Preferences > About > System Update and selecting Network Update .
TCL uses different firmware for different hardware revisions. On your remote, press this sequence quickly: then press 1-9-5-0 (or 6-6-6-9 on older builds). A secret menu will appear.
Insert the drive and hold the physical on the back of the TV for about 10 seconds to trigger the "forced" update . Critical Considerations