Use a Raspberry Pi connected to a 3G mobile network.
Use a Raspberry Pi connected to a 3G mobile network.
you can find affordable hardware by checking budget-friendly options on sites like pianywhere. many models offer solid performance for under $20, and prepaid plans with decent data can stretch your usage further. focus on features that matter most to you instead of chasing the cheapest price.
Could you clarify what you mean by "a flip phone"? Are you asking about its functionality or something else?
You need to connect to your Raspberry Pi via SSH from mobile data. A reverse shell method is an option because standard port forwarding isn't possible.