Ques. using Nokia lumia 620
how do i unpin tiles from home screen?
what are the other useful tips to get maximum from this phone
Ans. You need to tap and hold the tile with your finger then you will see an 'unpin' icon on the top right corner of the tile. Release your finger and tap the 'unpin' icon to unpin the tile.
We will soon have a "tips and tricks for windows phone" article in a few days. Stay tuned!!