Thanks you for your answer in detail. ' interop unlock' is not my way because i am just a noob.
Actually I m using a 32 gb sd card for few days, but I decide to chage it to 64gb. I move back all the apps from SD to phone memory, all documents and photos tranfer to PC. Switich off the phone, insert new 64gb sd, switich on the phone and move all apps to SD and all other files tranfer back to SD from my PC.
I noticed SD card other storage took 5+gb then...but after using for few days its reach to 12+ gb.
I clear temporary files but its only reduce few MBs.
Almost same story about phone merory other storage also,Its took 500+mb, but after clearing temporary files it reduce to 190mb.