Before starting the update process, prepare your equipment to avoid bricking your television.
Confirm the drive is formatted to (NTFS and exFAT often fail to register in bootloader mode).
You need a USB 2.0 or 3.0 flash drive with at least 4GB of capacity. Tcl 55c2us Firmware Update
: It is often recommended to perform a factory reset after a major firmware jump to ensure system stability. How to update the software on an Android TV - TCL Support
Later firmware builds fully enabled hands-on Google Assistant via the remote, allowing for voice-controlled search and smart home management that was buggy or restricted in early retail versions. How to Update Before starting the update process, prepare your equipment
: Insert your formatted FAT32 USB drive into your computer. Copy the downloaded firmware file to the USB's root directory (the main folder). If the file is compressed (ZIP), you must extract the contents. The extracted file is usually named something like V8-MT56551-LF1VXXX.pkg or Update.img .
If updating manually, format a USB flash drive (16GB or smaller recommended) to the FAT32 file system. : It is often recommended to perform a
If you upgraded to a completely new version of Android, navigate to Settings > Device Preferences > Reset > Factory Reset . This clears out legacy system cache files that could cause performance degradation or app crashes.
: While standard updates shouldn't erase your apps, it is a good practice to note your login credentials, as some major manual updates may trigger a factory reset. How to update the software on an Android TV - TCL Support