Lenovo zuk z1 is a great smartphone
with specifications
5.5 inch lcd capacitive touchscreen
marshmallow android
snapdragon 820 2.5 ghz quad core processor
13 mp rear and 8 mp front camera
with a great battery of 4100 mah
3gb ram
64 internal storage ( cannot expand the memory )
gpu - adreno 330
cons of phones
no expandable storage
available only on online
pros
large battery
great camera
well designed
good software
fingerprint lock is very accurate