My Z2 battery is normal or not

[htein]

I used chrome browser with 3G about 1 hour my z2 battery drop from 95 to 75 %. my screen brightness is 30% adapt to light condition is off. in standby 45 minute for 1%.my z2 have 4.4.2 firmware is 17.1.2.A.0.314.Is it is normal for z2 or not. Please reply

[Usmab]

i use whole night on 3g. one hour youtube, one hour viber and four hour tunein radio. and end up 50 percent used

[htein]

what should I do.  Is my z2 battery defected or software issue?.I watch MTV about 4minute with brightness 30% battery drop 2%.plaease reply because I can only exchange within a week,the shop said.sorry for my english

[Usmab]

go try it. I think z2 has very long battery life.

[htein]

What do you mean go and try it? Battery drain is firmware 4.4.2(17.1.2.A.0.314) issue or not?are you z2 is 4.4.2 or 4.4.4?please reply. Thanks

[Usmab]

I mean go and try talking with the Sony care.if you can return you should give it a try

My version was 4.4.2 it was never updated to 4.4.4. I had the phone for only two days and its screen crack itself. it has been two weeks it is in service.  I have not recieved it back. lets see when it comes back.