How are updates just beamed into our devices? For example, how does my PS4 or computer know it has an update and is able to install it without having to plug anything into it?

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How are updates just beamed into our devices? For example, how does my PS4 or computer know it has an update and is able to install it without having to plug anything into it?

In: Technology

The console asks the central server if there is an update available on each startup, then just downloads it.

I’m assuming your computer and PS4 are connected to the internet. They connect to their manufacturers server and check for updates. If there is an update it downloads it and installs.

Your device is connected to the internet, most likely trough Wifi that is connected to the router that’s in your living room.

Using that internet the device can connect to a central server and ask “Hello, I am a device running version 1.0.5. Is this the latest version?”

The server helpfully returns “No, you are missing version 1.0.6 and 1.0.7. Would you like to download those now?”

The device agrees, and starts downloading the updated files. Once they are downloaded the files are installed.