• Skip to primary navigation
  • Skip to main content
  • Skip to primary sidebar
  • Skip to footer
Android Infotech

Android Infotech

Android Tips, News, Guide, Tutorials

  • News
  • Root
  • Firmware
  • Applications
  • Knowledge
  • Tutorial
  • I’m Bored
  • Deals
  • Donate
  • 🔎Search
Home » Root » Unlock Bootloader in Android Devices

Unlock Bootloader in Android Devices

by Selva Ganesh Leave a Comment

Do you know it?

You can easily unlock the bootloader of your Android device to install custom ROMs or replace its default existing software.

But, Generally, it is not recommended to unlock your device boot loader. Even so, this is an action or procedure that should be done by only advanced users because it can be quite complicated. Or can put your device into risk. So, I don’t recommend this for regular users. On the other hand, the primary software(s) that come with your device is rigorously tested and geared towards fitting in for all kinds of users. So, if you are not aware of the high risks involved in unlocking a Sony device boot loader, please, do not attempt to do it; the outcome may be terrible.

Buy Samsung Galaxy S22 Ultra from $6.46/mo for 24 Months with Eligible Trade-In.
Samsung Galaxy S23 available for $0.00/mo with T-Mobile Credit and Trade-in Deal

locks in fence

Table of Contents

  • What is the boot loader on Android smartphones
  • Unlocking an OS boot loader
  • Risks involved with unlocking the boot loader of a device
  • Necessary Steps
    • Sony Xperia devices
      • Getting started…
      • Steps
    • LG devices
      • Steps
    • OnePlus Devices
      • Steps
    • Google Pixel Devices
      • Steps
    • Huawei Devices
  • What more?

What is the boot loader on Android smartphones

First, let’s discuss what a bootloader is. A bootloader is a kind of program that initiates the booting process of a mobile operating system or a computer system; that is, a boot loader starts and loads the prior tasks & processes of an operating system.

We can also put it in this way; it is a code that runs on a device before the time the device OS starts up. All operating systems we know have boot loaders; however, the bootloaders you’ll see on different operating systems are not going to be the same. It is in the boot loader that the instructions of how a device should run are contained. Also, it has some connections to the system kernel.

Many Android geeks often love to root their device(s); “Root” is a big word in the Android community; it is an action that grants you “Super User” access to manage/handle/deal with any folder or settings on a device. Unlocking Android device bootloaders allows you to perform administrative actions on the device, such as rooting an Android smartphone, flashing custom ROM to Android devices, or other admin actions associated with the system kernel.

Also Read-  Root Motorola Moto One Power Android 10 using TWRP and Magisk

Unlocking an OS boot loader

This is a very high technical action to do. Nevertheless, for you to root a device successfully or flash custom ROMs, you have to unlock the mobile phone’s bootloader first.

The process of unlocking bootloaders differ based on the device manufacturer, model, and the carrier. In today’s article, you will see how to unlock the bootloaders of Android devices.

Risks involved with unlocking the boot loader of a device

Of course, any action that requires you handling the critical aspects of a mobile device by yourself has a lot of high risks associated with it. First, if you do not control the device with care, the outcome can be very disastrous, and once you gain access to your mobile device system files/folders, in most cases, the warranty coverage offered by the manufacturer becomes invalid instantly.

There’s a reason Android devices come with locked bootloaders. However, they can be unlocked at your own risk. To see the dangers involved in unlocking your Android device, check here – the risks of unlocking Android device boot loader.

Most of all, unlocking your device bootloader to flash a custom ROM; a custom ROM does not guarantee full functionality of your device. It might not work correctly on your device, and some functions or features of your device may cease to work after this action.

Necessary Steps

  • Charge the device battery to be above 80 percent
  • Backup your files; a complete backup is essential. This is because unlocking the bootloader will automatically trigger a factory reset process which will erase every user data, settings, a third-party app, etc. on the device’s storage. However, pre-installed Sony apps will not be affected. Also, data saved on removable storages (such as a micro SD card) will not be modified too.
  • Download (Windows)/ (Mac) Respective ADB Drivers and Install it your system.
  • Download (Windows)/ (Mac) OEM and copy it into the folder c:android-sdkextrasgoogleusb_driver
Also Read-  Download Xperifirm All Latest and Old Versions

Sony Xperia devices

This action can be done by following the guide provided on Sony’s official Website. Nevertheless, we will list out the steps/processes to perform this action.

Note: this will void your device warranty support

Getting started…

  1. Open a Sony Xperia account or login with details to an existing account. Alternatively, you can use your Gmail account.

  2. The device must be connected to the internet

  3. Dual SIM Sony devices have two IMEI numbers. Use the IMEI 1 to get the exact unlock code for your deviceselect device sony

  4. This action works for all Sony Android devices. However, you still have to check out if your device model supports such action (unlocking the bootloader); Go to Sony Official Page to check if your device model is accepted for this.

If your device is supported, then, go ahead with the steps below to unlock the boot loader and flash a custom ROM.

Steps

  • Open your phone dialer and dial this code – *#*#7378423#*#*

  • Go to Service Info >>> configuration >>> rooting status >>> Check to see if bootloader unlocking is allowed or not. If it is allowed, then continue below.

  • Download and Install the Sony PC Companion (Windows) or Sony PC Companion for (Mac)

  • Get the “download_inf.zip” file and paste it into the folder c:android-sdkextrasgoogleusb_driver

  • Dial *#06# and copy down your Sony Mobile IMEI number.

fill details to get unlock ID sony

  • Return to the Sony Official page, select your device model and provide your Email Id.

  • You will receive a link to your Email id, click on the link to get the Unlock code to use and unlock your bootloader

  • Turn off your device and connect it to PC using a USB cable

  • Press the menu button or search or volume up button.

  • Download Windows/ Mac OEM and copy it into c:android-sdkextrasgoogleusb_driver.

  • Now, type the following command in CMD –command prompt.

cd C:android-sdkplatform-tools; fastboot.exe -i 0x0fce getvar version; fastboot.exe -i 0x0fce oem unlock 0xKEY

Note: you have to replace the key with your own generated Key

  • Tap “Enter” and wait for some time

  • Your mobile bootloader is now unlocked, reboot the device.

Also Read-  Fix Samsung Galaxy S20 FE/5G SM-G780/1 Bluetooth Pairing and Not Detecting issues

LG devices

Here I Put only instructions and files that are not in LG devices Page, otherwise follow the instructions from official Page.

Steps

  • In your Mobile Go to Setting>Developer options>Enable Oem Unlock.
  • Go to Official unlock LG and Login With Your Details.

OnePlus Devices

Usually, All OnePlus devices are Bootloader unlocked devices. If you use T-Mobile carrier device, your Bootloader is locked. So you have to unlock your Bootloader.

Steps

  • In your Mobile Go to Setting>>About>>Tap 7-10 times on Build number to enable the developer options>>Developer options>Enable Oem Unlock.
  • Go to Official unlock OnePlus Page and Login With Your Details.

Google Pixel Devices

Only International devices have unlocked bootloaders; If you use carrier devices like Verizon, T-Mobile, It becomes more specific, so try to follow particular guides for that. In some situations, there is no way to unlock Verizon devices, so be careful before following any steps. You can find them in https://forum.xda-developers.com/. If you have the International version, follow the below steps.

Steps

  • In your Mobile Go to Setting>>About>>Tap 7-10 times on Build number to enable the developer options>>Developer options>Enable Oem Unlock.
  • Go to Official Google Page and follow the unlock Instructions.

Huawei Devices

Huawei stopped providing an official bootloader unlock support from 24-May-2018. So, if you try other third party techniques, always be aware of the results.

huawei official stopped bootloader unlock

What more?

This is a technical task; if you didn’t know what you are doing, you need to engage an expert technician to help you out so as not to damage your device.

Selva Ganesh

Selva Ganesh is the Chief Editor of this Blog. He is a Computer Science Engineer, An experienced Android Developer, Professional Blogger with 8+ years in the field. He completed courses about Google News Initiative. He runs Android Infotech which offers Problem Solving Articles around the globe.

Related Posts:

  • Best Samsung Galaxy M31 Custom ROMs
  • Best Xiaomi Mi 5 Custom ROMs
  • Best Xiaomi Redmi Note 10 Pro Custom ROMs
  • Best Xiaomi Redmi 8 Custom ROMs
  • Best Xiaomi Mi 8 Custom ROMs
  • Best Xiaomi Redmi 7 Custom ROMs
Share This Post:

Filed Under: Root Tagged With: Samsung, Sony

Primary Sidebar

Join With Us

Deal of the Day

Samsung Galaxy S22 Ultra For $6.95/mo at Samsung Online Store.

Recent Posts

Oppo Find X6 Pro 1 Inch Sony Camera Sensor

Oppo Find X6 Pro Released with Sony’s 1-inch 50MP sensor

Google Pixel 8 Video Editing

Video Unblur coming to Google Pixel 8

YouTube Shorts Thumbnail Edit Video

How to Change YouTube Shorts Thumbnails?

T-Mobile and Mint Mobile Merger Ryan Reynolds and CEO

No Change in the $15/mo Mint Mobile Plan after T-Mobile Acquire

POCO X5 5G Unlocked Home Screen

POCO X5 5G launched for $230 With 120Hz AMOLED, Snapdragon 695 and 48MP camera

Advertisement

Footer

Copyright © 2023 AndroidInfotech.com, All Rights Reserved, Android is a trademark of Google Inc. All contents on this blog are copyright protected and should not be reproduced without permission.

  • Subscribe
  • Sitemap
  • About Us
  • Contact Us
  • Privacy Policy
  • Disclaimer
  • Our Image License
  • Hosted on Google Cloud
  • Ad Partner Ezoic
  • Corporate Office