Xolo which recently gain popularity because of there affordable smartphone
Know talking about xolo a500s it was a quite affordable smartphone with quite decent specification
-1.3ghz Mt6572w dual core processor mali 400mp graphic engine
-512 mb ram
-5 mp rear camera
-vga front camera
-1400 mAh lithium ion battery
-4.0 wvga display 233 ppi slim design 9mm thickness
-4 gb internal memory up to 32 gb expandable memory
Assisted gps
Wifi 802.11 b/g/n
Android jelly bean
dual sim( 3g+ 2g)
Know talking about xolo build quality so it has an very good build quality which give really very rich look ot was very slim phone
Know about real world performance it was very good in terms of calling or playing low end games but battery is not good it drain out very fast but charge very quickly
You can play games like subwaf surfer temple run seemlesly without any lag or any issue and camera is not very good but it is quite decent rear camera was a vga camera which has given for video calling rear camera support h.d video recording @30fps and front camera too can record h.d video over all xolo a500s was an good phone for an moderate user if you are a average user or above average then you fill battery problem because it does not has such a good battery so battery problem was a negative point camera average software good mobile speed was very good and has an very good performance in net surfing on 3g/2g or wifi it has a good screen but viewing angle is not very good on it but it is good for watching movies playing games etc
I have given all point on it know you decide you have to buy or not According to me a good phone in this price range