Internal memory is 16gb which is good
ram is not too high but with 1.5gb ram there is no hang problem
no heating problem during charging
pen drive support even usb 3.0 also work in it
I have 32 gb pendrive which support in it
camera qualty is good even you can click selfie at night with front camera having flash also
true volte phone if you want to use jio sim card you can easily use without need of any additional app for calling
battery backup is good you can charge it one time in a day or sometime 2 times if using internet all time in a day
super amolded screen
display is also good
new features in this also like bike mode, data saving mode, wifi calling etc
having marshmellow version
design is like other phones
calling sound is good
I have also using this phone I bought it in 2015 since there is not any kind of problem in it even hanging problem also not occur even once
best smartphone at the range of 13k to 14k