My phone name is micromax canvas à1 Q4502 my phone 3 yeear old and my phone no damage no promblum long battery backup prosseser fast gameing fast this phone collety is best my phone system upgrading marshmmalo 6.1.1 and this phone also very good this phone ram is 1 gb but also is phone is used smooth my phone specification screen 5.50 inch gaming felling very good also and this is my phone about my phone