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Update Asus Zenfone 5 To AOSP Android 8.0 Oreo Custom ROM

In this detailed guide, we are sharing the direct link to download the latest Android 8.0 Oreo on Asus Zenfone 5 (T00F/G). Google has recently introduced officially the latest version of Android called Android 8.0 Oreo firmware only for the Pixel and Nexus devices. So if you want to test the latest Android OS on your device then the only way to flash this amazing custom firmware on your Asus Zenfone 5. All credit goes to senior XDA member tank0412 to build AOSP custom ROM for Asus Zenfone 5 which is based on Android 8.0 Oreo.

According to the Google, Android 8.0 Oreo is faster, smarter and most powerful than ever. Also, this latest custom firmware comes with tons of new features like notification badges for app icons, picture in picture mode, a lot of background improvements and much more. This ROM is not officially announced by Asus / Google but just a custom ROM, so you may face some minor bugs. Make sure that your device is rooted and installed with the latest version of a custom recovery like TWRP or CWM (ClockworkMod) to flash this AOSP custom ROM on Asus Zenfone 5 (T00F/G).

By following this step by step guide, you can easily and quickly update your Asus Zenfone 5 (T00F/G) to AOSP Android 8.0 Oreo custom ROM. This latest custom firmware brings some exciting features and customization’s, this is a stable build you can be used as a daily driver. Official firmware is good but custom firmware gives you more customizations and takes full performance of your system. Before proceeding, don’t forget to take a full backup of all your valuable data. If you are interested in installing this AOSP Android 8. 0 Oreo custom firmware on your Asus Zenfone 5 (T00F/G) then go ahead and follow the given steps.

Asus Zenfone 5 updated Android 8.0 Oreo AOSP ROM


  • Make a proper backup of all your relevant existing data on Zenfone 5.
  • The stock Marshmallow OS version should be installed on Zenfone 5.
  • Download and install USB drivers for Asus Zenfone 5 on your computer.
  • The Nexus bootloader should be unlocked.
  • Enable USB debugging option by pressing Menu > Settings > Applications. Navigate and tap on Developer Options to ensure that USB Debugging is enabled.
  • You Zenfone 5 must be rooted, and the latest build of either CWM or TWRP Recovery should be pre-installed on it to flash a brand new Android 8.0 Oreo-based custom ROM.
  • For this firmware installation, you will also need to factory reset the phone.
  • Finally, ensure that your Nexus device carries more than 70% of charge.


Please note that this guide can be used only for the Zenfone 5 devices. Don’t use the firmware file given in this guide for any other device or incorrect variant. Do note that you will experience some force close errors while running this 8.0 Oreo firmware on your Zenfone 5.

Required Files:

Steps to Flash  AOSP Android 8.0 Oreo Custom ROM on Asus Zenfone 5:

Step No 1: – Download  AOSP Android 8.0 Oreo custom ROM and Gapps for Android 8.0 Oreo ROMs from the above links given on the desktop of your PC. (Make sure to select the Android 8.0 Oreo OS version) while downloading Google Apps package.

Step No 2: – Connect the device to your PC and copy/paste both files to the phone’s internal storage. Do not unzip the files.

Step No 3: – Disconnect the phone from PC and turn it OFF to boot into Recovery Mode.

Step No 4: – Turn ON the phone while pressing and holding Volume Up + Volume Down + Power buttons at the same time.

Step No 5: – While your Zenfone 5 is in Bootloader / Fastboot main screen, press Volume Up to enter into Recovery mode. Then press Power to boot the Recovery Mode.

Step No 6: – Once in Recovery Mode, make a NANDROID Backup for the installed ROM by navigating to ‘backup and restore.’ Then set the file name and confirm process to begin the backup.

Step No 7: – Next, Factory Reset Zenfone 5 and proceed to flash the Android 8.0 Oreo custom ROM.

Step No 8: – In CWM Recovery, select ‘install zip from sd card’, then ‘choose zip from sd card.’ Find the Android 8.0 Oreo custom ROM file and confirm the installation process to begin.

9: – Once the Android 8.0 Oreo firmware installation is completed, repeat the above steps to flash the Gapps zip on your Zenfone 5.

Step No 10: – After installation is successfully finished, reboot the device in normal mode.

Step No 11: – Finally, flash the SuperSU Stable from here to get root access to the internal file system of your Zenfone 5 to remove the factory restrictions and permission to install a lot of third-party apps.

Let us know in the comments area below if you have any question or trouble while installing the ROM.

Bhatti Junaid

He continuously writes tech articles and development code. Also, appreciates excellent food, exceptional coffee and great company. He has written 266 guides and other posts.

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