MICROSOFT LUMIA 540 . Iam using my phone from 1 year. Its RAM 1Gb , ROM 8Gb, when it compated with Android mobiles it some times good and some times hang more than the Android mobiles . It has the fantasy painter this app is the one of the best app for editing . it has double camera primary camera has 8MP and secondary camera has 8MP. This lumia is quitly different than the android mobiles. It has the ONEDRIVE this is used for the backup the photos and videos. If data is deleted unfortunately after loging in the data will be recoverd through this app.