anyone know whether the camera lens behind will easily scratch if did not use casing?

sorry, noob here...first time use smartphone..first time use android

after reading more than 20pages of this thread...
hope someone can provide brief/one line simple explaination about the following;

1) What is Rooting? Why/When need Rooting?

2) What is custom rom? Why/When need custom rom?

3) What is Flashing?


Please enlighten me. I really need understand this before i continue reading the remaining 50pages+

I appreciate your time(mayb 5 minutes) in replying this..Thanks first..hope you guys can help claer my doubt..thanks

This post has been edited by Neo Light: Sep 28 2012, 12:13 AM

guys, i dont understand...i thought S3 can multitask..no?
cos when i listening to music..i thinking to watsapp at the same time...but when i press and hold the home button..and choose watsapp(which already running in backgrond)..the song stop...

cant multitask?