This device has very potent mobile hardware, but sadly, it doesn’t shine with its upgradability.

1. Remove the bottom plate

To get inside this notebook, you have to undo 11 Torx-head screws. After that, pry the panel with a plastic tool, and lift it away.
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https://laptopmedia.com/highlights/inside-acer-swift-3-sf313-53-disassembly-and-upgrade-options/