Unlocking the bootloader on your OnePlus smartphone is the first essential step if you want to root your device, install a custom ROM, or gain full control over your Android system. In this guide, we’ll walk you through the complete process of how to unlock the bootloader on popular OnePlus models like the OnePlus 6T, OnePlus 7 Pro, OnePlus 8T 5G, OnePlus Nord N10 5G, and OnePlus 10 Pro 5G. Whether you’re preparing for advanced customization or simply exploring your device’s full potential, follow these easy and detailed steps to safely unlock your OnePlus bootloader.

Before proceeding, ensure your SIM card is unlocked.

Learn how to unlock your SIM with T-Mobile:

• T-Mobile SIM Unlock Policy
• T-Mobile SIM Unlock Support

Step 2: Enable OEM Unlocking

On your OnePlus device, go to:
Settings > System > Developer Options > Enable “OEM unlocking”

Step 3: Find Your IMEI

Dial *#06# on your phone to display your IMEI number.

Step 4: Enter Fastboot Mode and Retrieve the Unlock Code

1. Download fastboot_windows.zip and extract it to a known directory (the “root directory”) on your computer.
2. Power off your OnePlus device.
3. Press and hold Volume Up + Volume Down, then press the Power button to enter Fastboot mode.
4. Connect your phone to the computer.
5. Open a command prompt in the root directory and run: cd [root directory] fastboot.exe oem get_unlock_code

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Step 5: Request the Unlock Token

Submit your IMEI and unlock code to the OEM Unlock Service webpage (link).

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Step 6: Flash the Unlock Token

After receiving the unlock token:

1. Reboot into Fastboot mode again.
2. Run the following command: fastboot flash cust-unlock <unlock_token.bin>

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Step 7: Unlock Your Device

For the following models:

Applicable models: OnePlus 6T，OnePlus 7Pro，OnePlus 7TPro(5G)，OnePlus 7T，OnePlus 8 5G，OnePlus 8T 5G，OnePlus Nord N100，OnePlus Nord N10 5G，OnePlus 9 5G，OnePlus 9Pro 5G，OnePlus Nord N200 5G

• Command: fastboot oem unlock

For these newer models:

OnePlus 10 Pro 5G, Nord N20 5G

• Command: fastboot flashing unlock

On your phone, use the Volume keys to select “UNLOCK THE BOOTLOADER”, then confirm.

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FAQs

Q1: Why do I need to apply for a token?
If you plan to root your device or flash a custom ROM, you must first unlock the bootloader after unlocking your SIM.

• This service is specifically for T-Mobile version users.
• Non-T-Mobile users can usually unlock the bootloader without applying for a token.
• Note: Unlocking your device carries risks. Proceed with caution.

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Q2: When will I receive my unlock token?
You will receive the token via the email you provided on the OEM Unlock Service page within 7 days after submission.

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Q3: Will my warranty remain valid after unlocking?

• For T-Mobile devices, unlocking the bootloader may void your carrier warranty.
• Contact OnePlus Support if you encounter issues after unlocking.

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Q4: Are there risks after unlocking the bootloader?
Yes. After unlocking:

• OnePlus cannot guarantee full device functionality with third-party custom ROMs.
• Some functions may not work properly.
• You may permanently damage your device or lose access to official software updates.
• There is a risk of physical injury or device overheating if operations fail.