We have included all the steps in this post to unlock bootloader on Lenovo Legion Y90. Simply, follow this guide and you will end up unlocking the bootloader successfully.
If you get bored with the stock firmware of your smartphone and want to play around with more customization, then you will need to get your device rooted. But you can’t be able to root your device before unlocking the bootloader.
What is Bootloader?
In simple words, a bootloader is a set of instructions that are executed automatically, whenever the device is turned ON. The operating system and Kernel need bootloader instructions to start the boot process and operate the recovery mode.
Moreover, you can find the bootloader on every Android smartphone, but the location may vary depending upon different smartphone brands.
By default, the bootloader of every smartphone is locked. The reason behind it is very obvious as every manufacturer wants the users to stay with their default provided skin and stock ROMs.
But as we know, Android is open-source and that gives more power and benefits to users to customize their smartphones with endless possibilities. Therefore, Android also provides users an alternate route to get a chance to customize their smartphones.
This process requires many hurdles ahead. It starts with unlocking the bootloader and so on the process continues with rooting and at last you can end up flashing the custom ROM on your device.
So, we get to know that unlocking bootloader is the permission for users to make different levels of customization from their end.
- Gaining the root access
- Allows to flash custom recovery
- Installing different custom ROMs
- This process may void the phone warranty
- The performance of your phone might also get affected
- The process might brick your phone, if anything goes wrong
- Might become a reason for disturbing the security of your smartphone
- You might also lose the data available on your phone storage.
How To Unlock Bootloader on Lenovo Legion Y90?
- You need to charge your smartphone to at least 70% or above.
- Grab the original USB cable of your smartphone.
- Make a complete back-up of your important data. Note: It will wipe all the data available on your phone storage.
- Download Lenovo Legion Y90 USB Drivers.
- Download ADB and Fastboot tool. Windows and MacOS
Step 1: Enable The Developer Option and OEM Unlock
To enter the process of unlocking, you are required to enable the developer option first and then USB Debugging and OEM unlock.
- Go to settings on your phone.
- Locate the About Phone and then tap on it several times until the Developer option get enabled.
- Get back to the main Settings and then tap on Additional Settings->Developer Option.
- In Additional Settings, just tap on USB Debugging and OEM Unlock.
Step 2: Unlocking Bootloader on Lenovo Legion Y90
- Download and install Lenovo Legion Y90 USB drivers from the above pre-requisites section.
- Grab the original cable of your smartphone and then connect it to your PC.
- Turn your phone OFF Completely.
- Now, extract the ADB & Fastboot folder and right click anywhere in the blank space while holding the shift key to open the command windows or power shell windows.
Proceed with typing the following command to check whether your smartphone is detected by the computer successfully:
Now, type the following command to enter into bootloader mode:
adb reboot bootloader
To unlock the bootloader, type in the following command and press enter:
fastboot flashing unlock
if the above command does'not execute successfully, then you can try the following command
fastboot OEM unlock
- After that, you will get the confirmation message, just proceed with Yes to unlock the bootloader.
- At last, reboot your smartphone by typing the following command to let your smartphone enter into unlocked bootloader state.
That's it, you have successfully unlocked bootloader on Lenovo Legion Y90.
Lenovo Legion Y90 Specifications
Lenovo Legion Y90 comes with 6.92 inches AMOLED touchscreen, providing a resolution of 1080 x 2460 pixels.
Moreover, the phone runs on Android 12 including ZUI 13 powered by an Octa-Core processor.
The internal memory of the phone includes 256/640 GB paired with 12/16/18 GB of RAM
The camera features Dual 64MP + 13MP primary lens with Dual-LED flash including other features. In addition, a 16MP secondary lens for selfies.
It is powered by Li-Po 5600 mAh battery.
The price of the Lenovo Legion Y90 is about 570 EUR.
How To Boot Lenovo Legion Y90 Into Fastboot Mode?
- Turn your Phone Off Completely.
- Now, press and hold Volume Up, and Power buttons simultaneously.
- Once, the Boot windows appear on the screen, release all the buttons.
- Now, select the "Fastboot Mode" option using the Volume UP key and confirm it by pressing the Volume Down key.
Now Your Lenovo Legion Y90 is in Fastboot Mode!
I am a tech lover and smartphone enthusiast. I am always keen to know new things about smartphone software’s and hardware’s, So that I can provide solutions to user’s facing different problems.