Download latest Android KitKat 4.4.2 stock firmware for Nubia Z7 Mini smartphone from here or from here.
Firmware： Nubia Z7 Mini FW
Image: signed_3883_z7_mini_miui
Model： Nubia Z7 Mini smartphone
Archive size: 521 MB
Platform: Qualcomm Snapdragon 801
Build number: NX507J-user 4.4.2 KVT49L eng.nubia.20141014.170434 release-keys
