Most homes, especially larger ones, have dead zones where the Wi-Fi signal is weak. You can fix this issue by cleverly using an old smartphone.

Uses your existing Wi-Fi, not mobile data, to extend coverage. It extends coverage, but may result in slower speeds than your router. Place the phone between the router and dead zone for best results.

So, you're happily streaming a TV show on your phone, but when you move to a different room, your Wi-Fi suddenly cuts out. This has been an age-old problem, especially in homes with a single router.

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