Why are you getting downvoted? Why is Lemmy defending rich corporations and not consumers??
You opened dry pasta in a dry room and got less than the advertised amount. If there’s residual moisture in the factory that evaporates, that is their problem, not ours. Yes it’s a small variation, but that reasoning works both ways: they should include a few extra strands to make sure the consumer gets the right amount.
If anyone wants an actual answer: iPhone has an option to “Save to Files” that lets you select a folder to save to just like on a desktop OS. I’ve personally never lost a file when I do this.