finishing

Hello guys... I passed out of college (XII) in 2013... I got into good govt. college for b.tech...but I had to drop out due to illness... now after 2 years, I want to go back to finishing my b.tech in cse... but I haven't been doing any studying in these last two years... I think I have...

1. I need ringtones for sms and calls. Where can I download them and how to install them ? 2. How long does the battery last on a single charge ? For me the battery is finishing quickly. 3. How to zoom[camera] manually ? 4. Is Android 2.2 upgradeable ? If yes, how to upgrade ?

HI, Has anyone here played Portal? Are there only those 19 chapters? They r quite difficult though............ what is d moto in d game..................just finishing those levels would finish d game or there r any more things?

Hey, I've having problems in memorizing the movelist in WWe raw(older version 2002-03). Can anyone give me the movelist for the various moves that can be done. Also, can a superstar give more than 1 kind of finishing moves?