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Begainer 😇guide to unlock the bootloader🔓 of any device. I am doing it on Lenovo TB-X306X🖥️

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This is the begainer guide to unlock bootloader by Kaif😇.
If u don't have any knowledge about this don't worry i will explain each step from beginning.


Note

This guide is for Lenovo, but logic is same depending on your device unlocking the bootloader may be different you can refer to internet.

If you find anything wrong feel free to create an issue.

Requirements

👉 Need a Laptop💻/Pc🖥️ or Any other device👨‍💻(to run commands).
👉 Having a way to restore♻️ stock if any device bricks📲 occurs.
👉 A data cable that supports fastboot mode.(generally original will support).


Warning

❗This process will erase all your user data(like factory reset)
❗So remember to do full backup if your data is important.


Note

I hope u have read all instructions before starting😇.


Starting

Important

First you need to install adb and fastboot drivers to your computer.
In case if u have downloaded it already then proceed to next.

Enabling Developer Option.

🔑On your device settings search for build number and click on it seven times.
🔑Now a popup will appear fro your screen password . Proceed it.
🔑Now Developer option has been enabled.

Enabling USB Debugging and OEM unlocking mode.

🔆Open developer option you will find an option USB Debugging Mode just enable it. USB debugging ON.jpg

🔆Also enable OEM Unlocking option.

OEM unlocked option.jpg

Connecting device to pc,laptop,from where you want to run commands.

🔗 connect usb to device and plug to pc.
🖥️Open CMD or Powershell(WIN+R type cmd press Enter)
📜Now run adb devices to see if your device is connected or not. adb devics.png

☝️☝️☝️ if showing a device like this then everything 🆗

Note

🔀If your device is not showing then try to connect data cable/usb correctly or try another data cable.
🔀If data cable is original then check if u have missed enabling usb debugging.

👉proceeding to next step after correctly showing attached devices.

Running Commands.

💢Now run adb reboot bootloader (it will reboot your device to fastboot mode)
💢Now you are in ⏩ fastboot mode.😇
💢To check if device is connected or not run👉 fastboot devices , if it shows a device,then connected correctly.
💢Run fastboot flashing unlock

after this ☝️ you will receive a prompt to unlock the bootloader in device😇.
⚠️Just use volume down and volume up button and select yes , then press power button on device.

You may stuck at waiting for devices👇

ADB reboot bootloader waiting problem.png

Tip

🤦‍♂️ I HAVE ALREADY TOLD U TO USE WORKING DATA CABLE.
👉 U CAN TRY WITH REINSERTING DATA CABLE.
👉 JUST REMOVE AND INSERT DATA CABLE AGAIN.

After reconnecting run 👉 fastboot flashing unlock again to show the bootloader prompt.
Then follow same.

Unlocking the bootloader successfully.

🙅‍♂️Afyer successfully unlocking u will see like this in pc👇 fastboot flahsing unlock.png
🤷‍♂️Now run fastboot reboot ( device will reboot now )
⚠️While rebooting you will see a message like this👇 Unlocked successfully.jpg
😇🙅‍♂️ These are the proofs that we have unlocked our bootloader successfully.

For Locking Bootloader

🇮🇳 I think you are irritated while unlocked bootloader 😂🤣
🇮🇳 so for u Another way to lock the bootloader🛅 🇮🇳 All steps are same only run fastboot flashing lock instead of running fastboot flashing unlock and follow same method.

Summary..💁‍♂️

adb devices
adb reboot bootloader
fastboot devices
fastboot flashing unlock
fastboot reboot

You can join these telegram groups for help.

Lenovo TB-X306X 👈 join this for more support.
Premium MODZ 👈 join this for premium apk for free.

Connect with me🇮🇳.

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Begainer 😇guide to unlock the bootloader🔓 of any device. I am doing it on Lenovo TB-X306X🖥️

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