The main drawback of this tab is that it doesn’t comes with the front camera. also in today’s world it does’nt comes with 4G support. it comes only with 1.2 ghz processor which is outdated processor and make this tab very lag in the work. the main feature of galaxy iris tab that it comes with the iris scanner which is tottaly a new feature and can be use to make aadhar card or any other identification issue.