System updates usually take around 20-30 minutes, depending on how major they are. It shouldn’t take hours.

Why do Android updates take so long?

Samsung, HTC, LG, and Motorola have to custom-tailor the new Android update to each of their phones. Each phone has different components and features, so this part takes up a lot of time. … The carriers take the smartphones and test them extensively for months to make sure that the update won’t bork people’s phones.

How long does the Android 10 update take?

As reported on Google’s product forums, the Android 10 installation seems to be stuck at the boot screen for anywhere between 30 minutes to six hours.