what is this?i think something wrong is happening with my j7 prime's battery.After the last and second last update i can see that battery drains too much for the "ANDROID OS" and " DEVICE IDLE" .they consumes the battery too much...when. I was using ...

can we upgrade j7 prime 16 gb to naugat version.

sir can you please tell me that which devoloper option is for what . and which devoloper options can harm my phone and which options may be helpful for me and increase my phone performance with better battery life.

dear sir i would like to tell you that why is there only three options of adding fingerprint...can it be 5 or 10? if yes ,please do it ...if not tell me_____ what is the reason?

dear sir there is no slow motion camera option in the new naugat update of 7.0 of j7 prime ....is it possible to get a slow motion camera on my j7 prime... if may be or must be , ........plz give it with a new update.