| Symptom | Probable Cause | Resolution | | :--- | :--- | :--- | | | Wrong filename or file system. | Ensure filename is exactly upgrade-loader.pkg and USB is FAT32 (MBR partition scheme). | | Red LED blinks rapidly | Failed signature check or corrupted download. | Re-download the package; verify MD5 checksum. | | Update starts then stops | Incompatible version. | Check if the "Loader" version is older than the current installed version. Downgrading loaders is often blocked. |
Some USB brands (like high-capacity USB 3.0 drives) are often ignored by the TV bootloader. It is recommended to use a small, basic USB 2.0 drive . upgrade-loader.pkg philips
Risks & precautions
: If the update doesn't start, try a different USB port on the TV and repeat the power-cycling process. | Symptom | Probable Cause | Resolution |