Hello! This upgrade is mainly to make your device settings better comply with local network frequency requirements in EU countries. It will not only ensure a more stable connection but also provide a smoother user experience. Additionally, this upgrade is free of charge. Please rest assured that the upgrade will not affect your current normal monitoring or device safety. Here is the upgrade address for your reference.
Also, If you encounter difficulties during the upgrade process, don't worry! We can provide you with further guidance. You can escalate to maual support and let us know your preferred method, and we will help you arrange a corresponding solution.
