Persiapan Bahan :
- Zenfone Recovery Image (Zenfone 4, Zenfone 5, Zenfone 6)
- Download Jelly Bean FW (Zenfone 4, Zenfone 5 , Zenfone 6) (Choose: Driver and Tools > Android > Firmware > v.1.7.40.16 WW)
- ADB Fastboot Tool (Download)
- Intel USB Driver for Android (Download)
Cara Downgrade Asus Zenfone
- Download Recovery dan 4.3 ROM/ Firmware
- Instal Intel USB Driver dan extract ADB Driver
- Copy file Recovery IMG ke Folder ADB
- Extract file firmware 4.3 dan copy ke Folder ADB
- Nyalakan USB Debugging (Setting > Developer option > Check USB Debugging)
- Sambungkan HH(zenfone) dengan kabel USB ke PC/Laptop
- Buka Folder ADB dan buka CMD/command Prompt (tekan Shift + klik kanan > Open Command Here)
- Ketik : adb reboot bootloader
- Jika Sudah berhasil restart dan enter ketik : fastboot flash recovery <namafile.img>
- Kemudian Ke ADB Pilih Recovery ketika robot android muncul tekan Vol(-)down + Vol(+)Up dan pilih Update from ADB
- Ketik di CMD : adb sideload <namafirmware.zip> dan tunggu sampai seleai
- Wipe cache dan Data
- Reboot Zenfone anda
- bikin NOTA
