I was falling short of memory on my Samsung Galaxy S5 16 GB running on Android Marshmallow 6.0.1 rooted and TWRP recovery so I bought a new 32 GB Micro SD Card and made partition with this Command a month ago :-

adb shell
sm partition disk:179,64 mixed 50

and the partition completed successfully. Now from past few days it is not working. when I open settings it says Checking. when I checked adb shell sm list-volumes it outputs this

shell@klte:/ $ sm list-volumes
private:179,67 checking 9d457504-6aea-4eaf-8514-3d25c9ed5846
private mounted null
public:179,65 HiddenMount D27B-3E68
emulated mounted null
privatemode unmounted null

I dont know what went wrong. please help me to resolve this.


It was a mistake to do partitioning by yourself. Android don't very like third-party partitioning tools.

I recommend you to format SD-card via standard Android menu. If it fails then use PC card-reader or even specialized software recovery tools.

  • The Partition was successful and also worked for a month or so but now I dont have any idea whats gone wrong – Zaid Khan Apr 23 '17 at 20:52

Since your on android m you can go to setting amd set the sd card as internal ternal storage if that helps you any

  • And how will it help? – Suncatcher Apr 22 '17 at 10:15

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