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Firmware Update (OTA)

The AeroTel-24 supports Over-The-Air (OTA) updates, allowing you to flash new firmware directly via the web interface without needing a USB cable or external programmer. This is the recommended method for applying bug fixes, performance improvements, and new features.

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Important: Please update the firmware only when a new version is available. If your device is functioning correctly and no new features are required, we recommend staying on the current stable version.

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Prerequisites

  • AeroTel-24 Module powered on.

  • Wi-Fi Connection established between your computer/phone and the AeroTel-24.

  • Latest Firmware File: Ensure you have the latest aerotel.bin file downloaded.

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Warning: Do not power off the device during the update process. Doing so may corrupt the firmware and require a hard flash via USB to recover.

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Update Procedure

1. Access the Web Interface Connect to the AeroTel-24 Wi-Fi network (Password is usually aerotel24 unless changed). Open your web browser and navigate to the gateway address (default: 192.168.1.1).

2. Locate the Update Section Navigate to the Settings where the Firmware Update (OTA) panel is located.

3. Select Firmware File

  • Click the Choose File (or "Browse") button.

  • In the file dialog that appears, locate and select the .bin firmware file you downloaded earlier.

  • Verify the filename next to the button changes from "No file chosen" to aerotel.bin.

4. Start the Update by clicking the red UPLOAD & UPDATE button.

  • During Upload: The browser status bar may show an upload percentage.

  • Processing: Once the upload finishes, the device will verify the file and flash it to memory. This may take 15–30 seconds.

5. Completion & Reboot Upon a successful update, the device will automatically reboot.

  • You may lose Wi-Fi connectivity briefly.

  • Reconnect to the Wi-Fi network once it reappears.

  • Reload the web interface to verify the new version is active.

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Troubleshooting

  • "Update Failed" Error: This usually happens if the Wi-Fi signal is weak or the file is corrupted. Move closer to the device and try downloading the firmware file again.

  • Device not rebooting: If the device does not come back online after 2 minutes, power cycle it manually (unplug and replug power).

  • Wrong File Type: Ensure you are uploading a .bin file. Zip files or source code archives will not work.

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