Use your volume keys to select "Unlock the Bootloader" on your phone screen and press the Power button to confirm. Step 3: Troubleshoot Persistent Errors

Have platform-tools installed on your PC.

The token is a unique, encrypted digital signature tied to your device’s IMEI and serial number. Its purpose is to:

Or use hardware keys: Power off, then press and hold Power + Volume Down.

Note: It can take to receive the .bin token via email.

The "Please flash unlock token first" error is not a sign of a broken or bricked OnePlus phone. It is simply a guardrail built into the device firmware to prevent unauthorized third parties from flashing malicious code onto your device. By obtaining the official signature file from OnePlus and executing the steps above, you will successfully unlock your bootloader and regain full control over your smartphone's operating system.

Once you receive the unlock_token.bin file via email, you must flash it to your device to clear the error.

I should search for information on unlocking the bootloader on OnePlus devices, including the "token" method, and compare it to other brands. I'll also need to cover the benefits and risks. I'll search in English. search results show various relevant pages. I need to gather information about the token method, error messages, and workarounds. I'll open some of these pages to get detailed information. search results provide extensive information about unlocking the bootloader on OnePlus devices, including the error message "Please flash unlock token first," methods to obtain and flash the token, and workarounds for carrier-locked variants. I also found comparisons with other brands like Samsung and Pixel. I'll structure the article to address the user's query directly, explaining the meaning of the error, the official token process, reasons why OnePlus might be better for unlocking, potential challenges, and a step-by-step guide. I'll cite the relevant sources. error message "FAILED (remote: 'Please flash unlock token first.')" can be one of the most frustrating roadblocks for any OnePlus owner wanting to truly customize their device. You have enabled "OEM Unlocking" in developer options, connected your phone, and are ready to take full control. Then you run the command fastboot oem unlock , and instead of the path to custom ROMs and root access being opened, you are hit with that dreaded error.

It is important to address recent changes in how OnePlus handles unlocking. In August 2025, OnePlus quietly tightened its bootloader unlocking policy.

Imagine this: You've just bought a new OnePlus phone, drawn by its "Never Settle" promise of flagship specs and developer-friendly design. You follow the standard steps—enable Developer Options, toggle OEM unlocking, and reboot into fastboot mode. With growing anticipation, you type fastboot oem unlock and hit Enter. Instead of the "Bootloader Unlocked" confirmation message, your screen flashes back: .

If you encounter this prompt, do not panic. It is a sign you need to follow a structured process. Here is the general approach, though you should always check the official OnePlus community forums for the latest instructions:

Wait for OnePlus to email the token file (this can take up to 1–2 weeks for carrier processing).

This error typically appears in the command prompt or terminal when trying to flash partitions via Fastboot mode. Understanding why this happens and how to resolve it is crucial for successfully modifying a device. What Causes the "Please Flash Unlock Token First" Error?