Unlock Bootloader [better]: Zenfone 9
If you are an experienced enthusiast willing to navigate the risks of an unsupported, unofficial method, you can attempt the mitmproxy workaround. However, if you are a new user looking for a simple, reliable process, you will be disappointed. The current situation with the Zenfone 9 is a stark reminder that the openness of a device can change drastically after its release. For those who absolutely require root access or custom ROM support, other devices from brands with clear, community-friendly unlock policies may be a more dependable option.
The ASUS Zenfone 9 is a powerhouse in a compact body, beloved by Android enthusiasts for its top-tier specs and relatively clean software. However, for many, the true potential of the Zenfone 9 lies beyond the stock ROM. Unlocking the bootloader is the first step toward true customization, allowing users to root their devices, install custom recoveries, and flash custom ROMs like LineageOS.
Unlocking a bootloader carries significant risks. You must understand these consequences before proceeding:
: ASUS officially took down its unlock verification servers, meaning the specialized unlock APK can no longer reach the required "dm.asus.com" endpoint to register and sign the device's unlock payload.
Have you successfully unlocked your Zenfone 9? Let us know in the comments which custom ROM you flashed. zenfone 9 unlock bootloader
Despite repeated official statements in 2023 and 2024 that the tool was undergoing "maintenance" and would return, it remains unavailable.
If the ASUS servers are down, the official app might fail. In the past, the XDA Developers community has found workarounds (like using mitmproxy ) to bypass the server check. However, as of late 2023, these workarounds are unreliable, and the best approach is to wait for ASUS to restore their official unlock servers. Summary Checklist Backup Data Enable OEM Unlocking & USB Debugging Download Official Unlock Tool Run Tool & Wipe Data
However, as months passed, the promise remained unfulfilled:
If you are looking for alternative methods, you can monitor community hubs like the Zenfone 9 XDA Forums for any new community-driven exploits, though none are currently verified as reliable or permanent. If you are an experienced enthusiast willing to
(Downloaded directly from the ASUS support site to your phone) Step-by-Step Unlock Guide Step 1: Back Up Your Data
You will likely lose Widevine L1 certification . This means streaming services like Netflix and Amazon Prime will only stream in SD (480p or 540p), not HD/HDR.
The official bootloader unlock tool for the ASUS Zenfone 9 is currently unavailable, as ASUS has disabled the servers required for the process. Forums - Linus Tech Tips
A: Yes. To enter: Power off, then hold Volume Up + Power . Use volume keys to navigate to "Fastboot" and press power to select. For those who absolutely require root access or
Change your USB cable or port (use USB 2.0 if 3.0 fails). Ensure you are using the original ASUS cable.
This will output two values specific to your device. For example:
Perhaps the most compelling reason to unlock the Zenfone 9 is longevity. Asus is historically good with updates, but eventually, support ends.
For the tinkerers, the developers, and the privacy-aware: the ASUS Zenfone 9 is a rare gem, and unlocking its bootloader is the key to unlocking its soul. Follow this guide carefully, respect the risks, and enjoy the true freedom of Android.