I m using this phone from month 2 or 3 . Nd till now I didn’t have faced even a minor issue. Love this phone.it has blazing fast speed.thanks to 3 GB ram.! Nd for camera purpose. Again it’s a beast. It shoots very Nd decent image.and it’s focus is also very good.( I have provided some samples captured with vibe s1) so if anyone of u are going to buy this phone. Plzz don’t waste it time.just buy it.