I am sure this phone is not accept people because there are meny disadvantages they are as follows-
1) Z2 offers front camera of VGA only
2) The rear camera cannot take high quality pictures
3) It support 1GB ram only
4) It does not have java
5) It does not support NFC feature
6) It comes with average battery capacity
7) It does not have infrared
8) It comes with few number of sensors
9) It does not offer fast battery charging
10) It does not comes with water and dust resistant