-If your package includes a TF card, it already contains the factory image. If the TF card was not installed in the device during manufacturing, carefully open the case (be careful not to disconnect any cables inside) and insert the TF card. Additionally, since the factory firmware may be outdated, it is **essential** to update the system to the latest version by following the [Upgrade and Flash System](https://wiki.sipeed.com/maixpy/doc/zh/basic/os.html) instructions; otherwise, some applications and APIs may not function properly.
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