I need help to swap internal & external memory on SP Runing 4.3 SYS

[MahmodDoumany]

Hi every one
I need to swap my internal memory with the external one My phone is Sony Xperia SP
I’ve tried a lot of ways
all donآt work for me

Details :

Model Number: C5303
Android Version: 4.3
Build Number: 12.1.A.1.205
Device is Rooted Of course