How a Home Network Tool Correctly Reported 'Online' Despite Poor Cell Signal

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A developer built a personal tool to monitor whether a phone has an active, validated network connection, and it consistently returned an 'ONLINE' status even while the cell signal was rated 'POOR'. The tool is designed so that signal quality and device idle time are recorded as separate annotations and are explicitly prevented from influencing the core connectivity verdict. This separation is intentional: the green-light verdict answers only whether a valid network route exists, not how strong the radio signal is. During testing, the developer observed the radio signal drift between POOR and WEAK readings across multiple runs, all while the connectivity status correctly remained ONLINE. The case illustrates a deliberate software design principle where distinct measurements answer distinct questions and cannot silently override one another.

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