Lenovo zuk z1 is very good handset. Also touch is very smothly work
I m using this phone from last one month. Battery backup is awsm.
Operating system is also good. It is run on cyanogen based rom.
Also u install many type of custom rom.
Now I m install android 7.1 nogaut rom in zuk z1 work fine no issue . but some time I face 1 problem. When I plug in charger then battery indicator not showing. But battery is charging silently.
Very good phone in this price range.
Thanks
Sudhir yadav