SourFriend User GuideFirmware update

Updating the firmware

To get new features and improvements, connect your device to Wi-Fi and update the firmware regularly.

SourFriend supports 2.4GHz Wi-Fi only (5GHz not supported). You can also use a phone hotspot set to 2.4GHz.

Steps

  1. Sign in to the app and turn on the device.
  2. Connect the device over Bluetooth.
  3. Connect to 2.4GHz Wi-Fi in the app.
  4. Select "Update firmware automatically after Wi-Fi connects" and tap "Save and update".
  5. The update is complete when the device turns off and back on.
  6. You can check the firmware version in the app under Menu → Device settings → device card.

Don't disconnect power or Bluetooth during an update.

If an update is interrupted, the device may not work properly.

Note

  • During the update, the device screen shows Update and a progress percentage.
  • If the screen is off and the update isn't progressing, reconnect the power.