How to reflash Htc Desire 628 properly?
HTC update.zip is encrypted and does not respect the standard file layout. META-INF is missing, content is:
info.bin
zip_0.zip
zip_1.zip
zip_2.zip
zip_3.zip
zip_4.zip
zip_5.zip
zip_6.zip

Therefore this file can only flashed from stock recovery.