HMD Global has historically refused to provide these keys for the Nokia 3.4. This creates a definitive wall: No Custom ROMs:
Go to and enable both USB Debugging and OEM Unlocking . 3. Download Required PC Software
fastboot oem unlock-go
Extract the ZIP folder to an easily accessible location, such as C:\platform-tools .
Once unlocked, your phone will show a warning message every time it boots. You can now: nokia 3.4 unlock bootloader
However, this freedom comes with considerable trade-offs and risks.
This implies your PC lacks proper Qualcomm or Android Fastboot drivers. Check Windows Device Manager and update the driver software manually.
Utilize custom recoveries like TWRP to create exact, byte-for-byte images of your entire device operating system. Risks and Critical Warnings
: Incorrectly flashing system files or using incompatible firmware can cause permanent bootloops. 🛠️ Required Prerequisites Gather these items before attempting the process: HMD Global has historically refused to provide these
Look at your phone screen. A prompt will appear asking to allow USB debugging. Check the box for "Always allow from this computer" and tap .
: Ensure your phone holds a charge of at least 60% to avoid unexpected shutdowns.
Before we dive into the process of unlocking the bootloader on Nokia 3.4, let's first understand what a bootloader is. A bootloader is a piece of software that is responsible for loading the operating system on your device. It's the first software that runs when you power on your device, and it's responsible for initializing the hardware and loading the operating system.
The bootloader is the first piece of code that runs when you turn on a phone, responsible for checking the integrity of the operating system. On the Nokia 3.4, this gate is "locked" by default. Unlike Google’s Pixel or OnePlus devices—which allow users to toggle a switch in settings and run a simple fastboot flashing unlock Download Required PC Software fastboot oem unlock-go Extract
: Get the file from Hikari Calyx's API here .
Advanced tools like Magisk cannot be installed, preventing users from gaining administrative control over their own hardware. Kernel Limitations:
If your serial number appears, your drivers are configured correctly. Step 4: Execute the Unlock Command
: Known for direct bootloader unlocking on various HMD Global models. 3. General Prerequisites