Ensure your phone has a stable Wi-Fi connection (not cellular data). If the server is down, you must wait for ASUS to restore functionality, as third-party, serverless unlock exploits for the ZenFone 9 are highly firmware-dependent. Boot Loop / Device Won't Start
The phone will reboot. It may stay on the Asus logo for a few minutes—this is normal as it is wiping the data partition.
Are you seeing a (like "Network error") when you run the tool?
Unlocking can break Google's Play Integrity (formerly SafetyNet). This may cause banking apps, Google Wallet, and high-definition streaming apps (like Netflix HD) to stop working. The Current State of the ASUS Unlock Tool
Note: If you are using the legacy ASUS Unlock APK tool, you must install the APK on your device while booted into Android, follow the on-screen prompts, and let the app automatically reboot and wipe your phone. zenfone 9 unlock bootloader
(Found in Settings > About) Is this your first time unlocking a phone?
Wait a few days and try again, or visit XDA Developers to check if a community-made Python script bypass is available for your current firmware version. PC Does Not Recognize Phone in Fastboot
ASUS servers occasionally undergo maintenance, causing the official unlock app to throw timeout errors.
You will need to download the "Unlock Device App" specifically for Zenfone 9 from official Asus support pages (if officially available) or rely on XDA community tools. Step-by-Step: Unlock Zenfone 9 Bootloader Ensure your phone has a stable Wi-Fi connection
Unlocking the bootloader on your Zenfone 9 comes with some risks:
This usually means the ASUS servers are rejecting the request or your firmware version is too new/old for the specific tool version.
Unlocking officially voids your hardware warranty.
If the official server returns an error (such as "Network error" or "Maintenance"), the developer community on platforms like XDA Developers often maintains alternative patch tools or Python scripts to bypass the server check. Always check the active Zenfone 9 XDA forum threads for the most up-to-date community workarounds if the official method fails. 📋 Prerequisites Ensure you have the following items ready before starting: A Windows, Mac, or Linux computer. An official Asus USB-C data cable. installed on your PC. Your Zenfone 9 battery charged to at least 60%. A complete backup of your photos, contacts, and documents. 🏁 Step-by-Step Guide Step 1: Prepare Your Zenfone 9 It may stay on the Asus logo for
He encountered his first roadblock when trying to enable Developer Options. The usual method of tapping the Build Number seven times didn't work, and he received an error message instead. Jack tried searching for alternative methods, but they all seemed to lead to dead ends.
, where users must send their device to a service center and pay a fee (approximately 185 EUR / 200 USD ) to have the bootloader officially unlocked. Legal & Community Action
: ASUS has transitioned to a paid "unlock service" in some regions, such as ASUS Europe