Restoring to factory default

[remixedition]

Lately my phone has been sluggish and i want to restore my phone an add my apps back one at a time to see the bad app. I am wondering if i do this what will i lose and what can i keep? Also what happens to the apps i have paid for? Can i just dl them again for free?

 

[CatsTide]

yes...you will be able to redownload your pay apps for free