Let us know which features you find most useful!

: Enhanced Thermal Control and User Interface Customization through Open-Source Embedded Firmware

| Error Message / Symptom | Likely Cause | Solution | |------------------------|--------------|----------| | "Firmware file not found" | SD card not FAT32, or file not in root directory | Reformat SD card to FAT32, copy file to root (no folders). | | "Update failed. Check file integrity" | Corrupted download or wrong model firmware | Re-download from official source. Compare MD5 checksum. | | Device stuck on boot logo after update | Incomplete flash or power interruption | Perform a forced recovery (see Part 6 below). | | Temperature readings show "---" or -273°C | Calibration data lost during update | Re-flash the same firmware. If persists, contact support for calibration file. | | "Battery 0%" even when full | Old firmware had fuel gauge bug | Update to version V2.3.0 or higher. | | Wi-Fi / Bluetooth not turning on | Incorrect radio firmware patch | Re-flash with full package, not a delta update. |

There is no flash memory or ROM to store a "v1.0" or "v2.0" update. No Connectivity: