Lenovo a 2010 is good mobile for low price I am using it for last two years not a single repair still now good condition and good siginal for 4g service but low battery back up on internet using . it give 1gb external memory 5pm camera but not a good picture qulity but its is enough for its price it is a duel sim mobile but only sim are used for 4g it has memory slot for extra storage it comes with android lalipop version but presently this mobile not available easy on the mobileshops and online store