Linked by Thom Holwerda on Mon 7th Aug 2017 20:16 UTC

When you get that "out of space" error message during an update, you're only "out of space" on the user storage partition, which is just being used as a temporary download spot before the update is applied to the system partition. Starting with Android 8.0, the A/B system partition setup is being upgraded with a "streaming updates" feature. Update data will arrive from the Internet directly to the offline system partition, written block by block, in a ready-to-boot state. Instead of needing ~1GB of free space, Google will be bypassing user storage almost entirely, needing only ~100KB worth of free space for some metadata.

I promise not to make some snide remark about Android's update mess.

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RE: Comment by sarreq
by zlynx on Wed 9th Aug 2017 23:11 UTC in reply to "Comment by sarreq"
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So many people seem to think this is a simple file download and instantly find problems with it.

What makes you think Google didn't already think of those problems?

The phone isn't going to boot from the updated partition until it has verified the new downloaded image is correct.

Why would anyone think that it would?

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