asus zenfone 5 stuck at intel logo

Zenfone 5 Lite Stuck At Intel Logo And Battery Charging hello could you help me sir?at first my phone stuck at intel logo and its showing usb icon. driver usb asus a455l windows 7 then i flash the method in this forum and i finally got my fastboot/droidboot back then i flash boot img and recovery img but i forgot to flash fastboot img now my phone can enter recovery i try to adb sideload firmware for my phone but its