Once upon a time, when you wanted to cast your mobile device’s screen or audio to another device, you tapped the casting icon. There it was! Right on that app’s screen. Apparently this process has changed.
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It freaked me out. I checked my phone, viewing the same web page I just looked at moments before. What I saw on the screen wasn’t what I expected.
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A majority of phones and tablets that access the Internet use a Subscriber Identity Module or SIM card. Its purpose is to provide an ID for your mobile device, one that’s used by a cellular provider to give the device service, a signal, and basically sort your phone or tablet out from the zillions of other phones or tablets.

Oh, and it’s used to help with billing. So there’s that.

My question is this: Does the mobile device really need a SIM card?
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“I swear it’s there,” I explained. “I’m looking on my phone and on the computer’s web browser. I see the app. Click the Install button.”

My insistence was pointless. No matter how I tried, my friend just couldn’t see the app. It was frustrating.
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It’s been difficult for me to write about the Chrome web browser on an Android phone or tablet. That’s because it was the only mobile browser that lacked a Homepage icon or a Homepage setting. That frustration has ended.
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I bought the Galaxy Note “phablet” phone when it first came out. The sucker was huge! The display was big and easy to see. Alas, the icon spread (rows and columns) on the Home screen was the same ratio as for other Android phones, a paltry four icons wide by five tall. That was disappointing.
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In my books, I recommend that when you copy a file from a computer to your phone that you place it into the Downloads folder. That’s good advice, but don’t expect the Downloads app to find the file.
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