I want to change the storage from my device to sd card how can it possible ?my fone is s2plus

[AC Question]

Now a days my fone hang regularly and when I want to install something they says there is insufficient space.what can I do?

 

[Rukbat]

Either get rid of a lot of the stuff on the phone, or root and run External 2 Internal SD (Root) to mount the external card as sd0 (right now it's mounted as sd1 and the internal storage, "sdcard", is mounted as sd0).