How do I perform an external update via SD card?

1. Contact technical support to obtain the firmware update file.

2. Update steps

1. Format a MicroSD card with a capacity of no more than 32GB to FAT32 format.

For Windows computers, right-click the SD card name → Format → select FAT32 (default) to format it.

2. Place the downloaded “update.zip” file in the root directory of the MicroSD card.

The file path should be: MicroSD card name > update.zip.

3. Open the SD card slot on the OttoAibox device and insert the MicroSD card.

4. After the OttoAibox powers on and detects the SD card, a window will pop up. Please select “Upgrade”.

5. During the update, the red and blue indicator lights will blink alternately. If the device is connected to a TV or other devices, do not turn off the power or stop it from running during this period.

6. After the update is complete, the device will restart automatically.

7. After confirming that the device has started up, turn off the OttoAibox power and use a SIM ejector pin to remove the MicroSD card.