https://us.community.samsung.com/t5/Legacy-S-Phones/Samsung-S9-gt-dev-null/td-p/2447679
Solved: Samsung S9+ ---- /dev/null? - Samsung Community - 2447679
Nov 24, 2022 - Solved: I have some sort of secondary storage I don't know why but on my Samsung s9+ I looked on SDMaid and it said that I have a secondary - 2447679
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