Well first off, what Android are you using? If Nougat or higher then you should know the module won't work. Let us know and folks can go from there.
ZTE Axon 7 A2017U, /e/ v0.1 ROM, microG (NoGapps), Multiboot, XDA Legacy
ZTE Axon 7 A2017U, /e/ v0.1 ROM, microG (NoGapps), Multiboot, XDA Legacy