How to fix wifi and Fingerprint a520F/D u13 Free firmware

how to repair problem wifi no working Samsung Galaxy A5 2017 SM-A520F U13 by firmware repair

any problem software fix hang on logo restar only recovery mode and Fingerprint  Free flash file tested without credit card and paypal

binary 13 from samsung a520f and a520fd 

root remove all data

Necessary to make sure It moves KNOX

OEM OFF
FRP OFF
RMM OFF

after flash by the firmware fixed Samsung Galaxy A5 2017 SM-A520F u13 install Magisk Apps Here

download

A520FD UD U13 PreRooted Firmware 

A520F UD U13 PreRooted Firmware (A520FXXUDCTB1) fix Fingerprint and Wifi OS8.0.0 Oreo