Go to fastboot mode
hold vol up +power button
WW_ZC554KL-14.2016.1807.237-20180813.zip
https://drive.google.com/file/d/12BpLEAzx9cD1GlQkXci9mk1Qt0Q0SoVT/view
2nd link ung ginamit ko
run
flashall_AFT.bat
wait and done....
for FRP download this
and choose 1,2,3,4 and done
No Password
more info click this LINK (l:0(l:0(l:0(l:0(l:0(l:0(l:0