This device is excellent
I use this device last 1.5 year
this device have bb10 which is unique operating system then other Mobile phone and also support android visron so that feature I best in blackberry z10 mobile
Blackberry z10 have different lock system its numerical guster lock system
that system is awesome in this phone
and blackberry z10 mobile is easy to use and smooth
install android apk file and bb10 file also
I like so much this phone operating system
Thanks blackberry ?