The ASUS Zenfone 9 bootloader unlock status has shifted from an officially supported feature to a highly restricted one. While ASUS initially provided a dedicated tool for this, the official server-based method was disabled in mid-2023. Current Unlocking Status (2026)
Settings > About Phone > Software Information and tap “Build Number” 7 times.Settings > System > Developer Options and toggle “OEM Unlocking” ON. If this option is grayed out, your phone is carrier-locked, or you need an active internet connection (ASUS phones need to phone home to allow this).: As of early 2026, there is no reliable, free software-based workaround or "exploit" to bypass the requirement for ASUS's official server handshake. Forums - Linus Tech Tips Key Considerations Before Attempting If a method becomes available, keep these risks in mind: : Unlocking the bootloader typically voids your manufacturer warranty zenfone 9 unlock bootloader
The New Policy: Instead of a free app, reports surfaced that ASUS began offering a bootloader unlocking service as a paid "repair" option. The ASUS Zenfone 9 bootloader unlock status has
: While some unofficial methods appeared briefly on forums like XDA, ASUS reportedly released firmware updates (e.g., version 33.0804.2060.189) specifically designed to block these workarounds and prevent firmware downgrading. Risks and Considerations Back up your data
Paid Service Alternative: As of late 2024 and 2025, ASUS reportedly offers bootloader unlocking as a paid service through their official repair centers in some regions (such as Europe) for approximately $205 (€185).
is officially discontinued and unavailable to users at home. Current Status of Unlocking