Apple devices rely on a proprietary tethering mechanism tied closely to iCloud accounts and Bluetooth handshakes. While this allows instant pairing across Macs and iPads, it regularly leaves Windows PCs and non-Apple hardware unable to locate the network name. The iPhone default configuration broadcasts exclusively across high-frequency 5 GHz channels to maximize local transmission throughput. Older laptops, budget enterprise PCs, and specific legacy Wi-Fi chipsets cannot detect 5 GHz channels in crowded commercial environments.
To correct this broadcast gap, open your iOS device, go to Settings > Personal Hotspot, and enable Maximize Compatibility mode. This setting forces the iPhone radio to broadcast a dual-band 2.4 GHz signal alongside its standard frequency. While this adjustment slightly reduces internal transfer rates between your laptop and phone, it vastly expands radio signal range and eliminates client-side discovery dropouts.
If third-party hardware still fails to negotiate an IP address, the iOS network daemon may be hung. Reset the interface entirely by toggling Airplane Mode on for 15 seconds before switching Personal Hotspot back to "Allow Others to Join." Should the failure persist, proceed to Settings > General > Transfer or Reset iPhone > Reset > Reset Network Settings. This clears out corrupt temporary routing tables, cached Wi-Fi passwords, and stale cellular profile handshakes without erasing apps, personal photos, or stored user data.