[Q] User Data Storage !!

[saftazeen]

hi guys ,i hv sumthing weird.
when i format the user data storage using phone,i got 24.24 gb available from 25.24 gb Total.
then i tried to format it from my PC and i got all the free space available,but after few hours i got that 1 gb used and i didnt touch the phone ,i checked all the file in the storage they about 1m i don know where the ather used space :S
and this used space increase by the time

 

[EddyOS]

Data for apps uses the space, hence it going down

 

[saftazeen]

no i mean that storage for media etc...
the storage is formatted and i didnt copy any files to it ,but its give me 1 gb or more used space which unseen in my storage