Tokyohot+n0692hd+upd [top] File

| Symptom | Likely Cause | Fix | |---------|--------------|-----| | | Power cable loose or firmware corrupted. | Unplug, wait 60 s, plug back. If still dead, repeat the update using a fresh USB drive. | | “Firmware not found” message | USB not formatted correctly or file placed in a sub‑folder. | Re‑format to FAT32, copy the .bin file to the root of the drive, and try again. | | Update stalls at 0 % | Wi‑Fi signal too weak or interference. | Move the router closer, or use the USB method instead. | | Error code “E07 – Over‑heat” after update | Sensor calibration reset. | Run a short, low‑temp cycle (40 °C) and let the unit cool fully; the sensor should recalibrate automatically. | | App can’t find the device | Device still in “AP mode” but you’re connected to home Wi‑Fi. | Reset Wi‑Fi by holding the Menu button for 10 s (display shows “Wi‑Fi Reset”) then reconnect. |

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