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You may lose access to DRM-protected content (like high-def Netflix) or security-sensitive apps like banking tools. Preparation: You must enable Developer Options and toggle OEM Unlocking before the device can be modified in fastboot mode. Hikari Calyx Tech How to Enter Fastboot Mode To prepare your device for an unlock service or tool:
What is the current installed on your Nokia 3.4? Share public link
Unlocking the bootloader is the first and most critical step toward full control of your device. It allows you to:
Go back to the main menu and navigate to System > Developer options . Locate USB Debugging and toggle it ON . nokia 3.4 unlock bootloader
: Essential for running fastboot utilities and USB drivers.
Release the button when you see the text on the screen. Step 2: Use an Unofficial Nokia Unlock Tool
If the OEM Unlocking toggle in Developer Options is greyed out, it usually means your phone hasn't completed its first-time setup verification with Google servers. Insert a valid SIM card or connect to stable Wi-Fi, restart the device, and check the menu again. Next Steps: What Can You Do Now? You may lose access to DRM-protected content (like
Use TWRP to create full system backups. Next Step: Would you like a detailed guide on rooting your with Magisk once the bootloader is unlocked?
: This process will void your manufacturer's warranty.
Note: If this command doesn't work, try just fastboot oem unlock . Share public link Unlocking the bootloader is the
“Unlocking the bootloader will allow you to customize your device, but you may lose functionalities like telephone, radio, and encryption.” Hikari Calyx Tech
Return to the main menu and go to . Enable USB Debugging to allow PC interaction. Toggle on OEM Unlocking . 🔓 How to Unlock the Nokia 3.4 Bootloader
Go to and tap Build Number 7 times to enable Developer Options.
How to Unlock the Nokia 3.4 Bootloader: A Complete, Step-by-Step Guide