As of early 2026, the situation for Zenfone 9 owners remains a point of deep frustration in the tech community:
When the Zenfone 9 launched, it was hailed by the enthusiast community as the ultimate "small" flagship. One of its biggest draws for power users was the ability to unlock the bootloader—a standard feature that allowed owners to install custom ROMs, flash specialized kernels, and truly own their hardware. For a time, ASUS provided an official "Unlock Device App" that made this process straightforward. The Great Lockdown
Yes, once you flash custom firmware or root, you will no longer receive automatic system updates from ASUS. zenfone 9 unlock bootloader
Look for stable builds of LineageOS or Pixel Experience on forums like XDA Developers.
is a favorite among enthusiasts for its compact size and powerful Snapdragon 8+ Gen 1 chipset. However, the landscape for unlocking its bootloader has changed significantly since its launch. As of early 2026, official support for bootloader unlocking has been discontinued for all Zenfone models released in 2023 or earlier, including the The Current State of Official Unlocking As of early 2026, the situation for Zenfone
You’ll set everything up properly later. Just get to the home screen.
After the reboot, check your bootloader status by booting into fastboot mode: The Great Lockdown Yes, once you flash custom
When the official tool does not work, community-developed solutions become essential. The primary alternative for the Zenfone 9 is , an open-source Python tool that exploits a vulnerability in MediaTek's boot ROM.
The mktclient tool is designed for MediaTek devices. For Snapdragon devices like the Zenfone 9 (Snapdragon 8+ Gen 1), alternative methods such as EDL (Emergency Download Mode) flashing or using tools like QPST might be required. However, the EDL mode for Zenfone 9 is not publicly documented. The only reliable methods are the official ASUS unlock tool or community exploits that might be device-specific. XDA forums remain the best source for the latest methods.