If you dont know your android device is a rather communicative device. It is constantly chatting away in the background even if you are asleep. Now if you have an egress firewall you can see what its doing, however this brings another complication. You may accidently block or wish to

Quote DeepSeek, the Chinese AI startup known for its DeepSeek-R1 LLM model, has publicly exposed two databases containing sensitive user and operational information. The unsecured ClickHouse instances reportedly held over a million log entries containing user chat history in plaintext form, API keys, backend details, and operational metadata. Wiz Research