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Security policy prevents use of external SD card

First Poster

I own a Galaxy Tab S4 that I bought 2 months ago.


I inserted a SD card with 128GB of capacity and it's been working smoothly for two months.


However, after one week of having the device idle, I used it again today, and I'm not able of accessing to the SD card.


The only message that I get is: "Security policy prevents use of external SD card"


I've been reading one old post of 2017, and I've reset app permissions, but it's useless.


I have the OS up to date with the last updates.


What else can I do?

First Poster

I found the solution. A few days ago I installed my Company Portal and that was the reason.


I switched it off from Device Admin Apps, and now everything works smoothly.

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