Is it normal for Android to update itself without me doing anything?

[AC Question]

I've got an Galaxy S6 on ATT. It's currently running nougat.

I've seen a prompt to update pop up a few times asking me to update.
I kept skipping it for a while. When I went to sleep and woke up, I saw a blue update screen with the android logo and 2 swirling arrows saying it's updating. I assume this is the new Nougat update splash screen.

The thing is, I did not prompt it to update it. I was sleeping when it initiated.

I also was not on Wifi, which is something it always asks to go on to update.

The update seemed to be around 20MB though. The security patch level still says may 1st.

Is it normal for it to update by itself? Should I be concerned?

 

[anon(238680)]

Welcome to the forum. OS upgrades and security upgrades do not count as data on your plan so the wifi issue doesn't apply. And yes, upgrades will install themselves after a period of time. No, you shouldn't be concerned.

If you need additional help or have more questions or details to share, please join the site so you can reply in this thread. See this link for instructions on how to join Android Central.
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[juclu]

Ok cool. I have skipped it for over a week now I think. I was just waiting on certain things before I tried updating.

One of the things that pop up in my head is "was my phone just breached" so it's good to know this is normal, since I don't recall this happening before.

It is possible it happened before while I wasn't looking at all, like if I was asleep. Who knows.

Thank you.

 

[hallux]

Welcome to the forum. OS upgrades and security upgrades do not count as data on your plan so the wifi issue doesn't apply.

I'd say that's a generalization that doesn't apply in all cases. Take mine for example - I'm on Project Fi (an MVNO) with PAYG data, $10 per GB. If I were to do an OS update over my data, that update will cost me ~$15 as the data classification does not happen when dealing with an MVNO. Fi uses T-Mobile (as well as Sprint and USCC) but we don't get any zero-rated streaming like regular T-Mobile customers get.

 

[anon(238680)]

I'd say that's a generalization that doesn't apply in all cases.

Good to know, I thought everyone's plans were simple I also thought Fi had it's own network of fiber, interesting also.

 

[juclu]

Yeah I honestly thought the whole point of it asking you to connect to Wifi first is so it doesn't use data. It's kind of stupid to force an update if it uses data. That should absolutely be up to the user, but they probably want security patches to be up to code, so I guess that's why.