Is there anything more annoying than finding yourself stuck in a place where your phone’s data connection isn’t working—or, if you’re on a pay-for-what-you-use mobile plan, realizing you’re burning ...

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OpenSignal is a highly-rated app for both iOS and Android phones. It lets you do a speed test of your Wi-Fi, including download, upload and latency for 3G, 4G/LTE, 5G, and Wi-Fi. You can also find the ...

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