ASUS has officially for all mobile devices, including the
Unlocking the bootloader (if successful) still results in a permanent loss of warranty and may cause the device to fail Play Integrity or SafetyNet checks, affecting banking apps. Attempting the Unlock (Legacy Method)
The official Zenfone 9 Unlock Device App requires an active connection to dm.asus.com/unlock/register . zenfone 9 unlock bootloader
If you are on an older, unpatched firmware and want to check if the servers are reachable, the general process remains:
In late 2025, ASUS confirmed that for models released in 2023 or earlier, the tool is permanently discontinued due to "stability considerations". ASUS has officially for all mobile devices, including
ASUS released firmware (specifically version 33.0804.2060.189 and later) that actively patches unofficial exploits and prevents firmware downgrading.
There have been reports of ASUS offering to unlock bootloaders for a fee (approx. $200 USD/185 EUR) at official service centers in some regions, though this is not a universally available or widely supported program. The Challenges of Unofficial Unlocking Because the ASUS released firmware (specifically version 33
As of May 2026, the status of the is a critical point of frustration for the enthusiast community. While the phone was initially launched with a dedicated unlock tool, ASUS has since discontinued official support, leaving users with very few options for custom ROM installation. Current Official Status (May 2026)