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Extract Boot.img Directly from Device without Downloading Firmware
Today I came to you with another android help article in the root series. It is about how to extract the boot.img file directly from your device without downloading the firmware. As you already know, to gain complete access to your android, you have to unlock the bootloader first. Then you can customize your android device as you wish. But beforehand you will need to get the administrative privileges or you need to root the device using Magisk.
Rooting can be done in two ways. Either by directly flashing the Magisk app via TWRP or extracting the boot.img file from stock firmware and then proceed with patching and flashing. But the latter method has some problems. You will need to download the whole firmware which is a time-consuming process. And a waste of data.
Similarly, you should get the exact same firmware version that is already installed on your android device. You will end up in a boot loop or with a bricked device if you used the wrong version. So, what about getting the same result without using stock firmware? Even though it sounds strange, it is 100% possible.
What we gonna do is directly extract the boot.img file from the firmware (which is already installed on your android device) without downloading the file. Now, let’s get into the tutorial.
Extract Boot.img Directly from Device without Downloading Firmware
To facilitate clarity the instructions are given in separate sections. I advise you to follow the exact steps in the exact order to avoid consequences. And please keep in mind that we don’t hold the responsibility if anything happens to your phone.
Install Android SDK to Extract Boot.img Directly from Device without Downloading Firmware
Firstly you need to install the Android SDK Platform Tools on your PC. It is the recommended official ADB and Fastboot Binary provided by Google. Just download and extract it to any convenient location on your PC. Once it is completed you will have the platform-tools folder. We will be using that particular folder throughout this tutorial.
Enable USB Debugging
The second step is to enable USB Debugging. So that the device will be recognizable by the PC. You enable USB Debugging by navigating like this. Read More: Enable USB Debugging and OEM Unlocking
Settings > About Phone > Tap on Build Number 7times > Again to Settings > System > Advanced > Developer Options > Enable USB Debugging and OEM Unlocking
Install TWRP Recovery
Installing TWRP recovery is mandatory for the process. You can read our guide on how to install TWRP recovery on Android to get the instructions.
Boot Device to TWRP Recovery
- As the first step connect your phone to the PC using a USB cable. Confirm whether USB Debugging is enabled.
- Go to the platform tools folder.
- Type CMD in the address bar and press Enter. So that the command prompt will be launched.
adb reboot recovery- Then type this command in the CMD window to boot your device to TWRP recovery.
Extract Boot.img via TWRP
- Now you have to execute the following command in the CMD window which is opened within the platform-tools folder.
dd if=/dev/block/bootdevice/by-name/boot of=/sdcard/boot.img
- Then the device will extract the stock boot.img file from the already installed firmware. And the boot.img file will be placed in the Internal Storage.
- You can create a backup of this file using the below command.
adb pull /sdcard/boot.img stock_boot.img 
- So that a copy of boot.img will be kept in the platform-tools folder which is named as stock_boot.img.
- Finally you can reboot the device to the OS by navigating to Reboot > System.
Now you can install the Magisk app and patch this boot.img file. So that you will get the magisk_patched.img file. Then you can root the device!!
Extract Boot.img via a Script File
If you are not comfortable with manually executing commands and stuff, there is another way. An XDA Member created a script file to do the same thing. The only thing you have to do is to launch the file and wait! Download : Script from GitHub: OP7T-boot-patch-tool
You can verify the file by entering its code at GitHub. Especially if you are not sure about it. Or else you can edit the batch file using an advanced text editor and again verify the file contents as given in the above picture. The prerequisites are the same as before.
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Administrator
Armed with a Bachelor of Information Technology (BIT) degree, Lucas Noah stands at the intersection of technology and creativity. As a seasoned writer for Creative Outrank LLC and Oceana Express LLC, Lucas brings a wealth of knowledge and insight to the dig. Read more
How to Extract Stock Boot.img from Android Device
If you’re using the Android device with stock firmware and facing some issues with the bootloader or boot loop issues, Or Want to Root with Magisk TWRP Recovery Then this guide will help you. check out this guide completely. Here is the guide on How to Extract the Boot image file easily. Whenever we download any stock firmware for any smartphone, it comes with a zip file extension and we have to flash it. That stock firmware file has a system, vendor, cache, boot image, and so many files to facilitate the device smoothly. And if you want only the boot image file, you need to download the stock ROM first.
After downloading the stock firmware zip file on your computer, you have to extract it and search for the boot image file. But extracting the stock boot. img from an All Android firmware file is no easy task. Moreover, since Some of the Firmwares are encrypted, it isn’t possible to access the files present in it. But there does exist a handy way out to decrypt it and hence access the various partition IMG files. And this guide shall make you aware of just that.
What is Boot Image?
A boot image is a type of system image (for computer or mobile) that contains the system framework and structure of various files. When it’s transferred to a boot device, usually it permits the associated hardware to initiate the boot process.
This usually comprises the OS (operating system), system utilities, diagnostics, boot, and data recovery structures. It also includes stock applications like preloaded Google apps and services and default apps like phones, messages, cameras, etc.
How to Extract Stock Boot.img from Android Device
Here in this guide, we will share the steps on it. As some of you may be aware, the steps to extracting the boot image are not the same always. That is because the decrypting process varies with the device model. So we prepared separate guides for each model. So that you can follow the relevant guide for you.
Extract Boot.img from Non-Decrypted Firmware
We can directly extract the boot.img from firmware in some devices. As there is no encrypt is done. Usually, these models are launched before 2019. So, if your device has non-encrypted firmware you will be able to extract the boot.img directly from the downloaded zip file.
Extract Boot.img from OnePlus OxygensOS Stock ROM
Extracting the stock boot.img from a OnePlus firmware file is not an easy task. Moreover, since Oneplus’s firmware is encrypted, it isn’t possible to access the files present in it. But there does exist a handy way out to decrypt it. Read More: Extract Stock Boot.img from OnePlus OxygensOS Stock ROM
Extract Boot.img from Samsung Galaxy Firmware
Extracting the stock boot.img from a Samsung firmware file is again not the same as the usual extraction. Check out the instructions and you will find an easy way. Read More: How to Extract Boot.img from boot.img.Iz4
Extract Boot.img from HTC RUU Firmware
This is way more different than other extractions. You can read the instructions and try them yourself. As the instructions are detailed and separated into sections, it will be easier for you to understand. Read More: How to Extract Boot.img from HTC RUU Firmware
Extract Sony Boot.sin and get the Stock Boot.img File
Now we are here to extract the stock boot.img from a Sony firmware file. You can learn all the essentials with the detailed steps next. Read More: How to Extract Sony Boot.sin and get the Stock Boot.img File
Extract OZIP Realme Stock ROM (Firmware)
Extracting the stock boot.img from an OZIP firmware file is not simple as extracting from a zip file. You need to decrypt it beforehand. Read More: How to Extract OZIP Realme Stock ROM (Firmware)
Extract Boot.img from LG KDZ or DZ Firmware
Extracting the stock boot.img from an LG firmware file is a bit complex. But, don’t worry. I have provided the link to the complete guide in this article. Read More: How to Extract Boot.img from LG KDZ or DZ Firmware
Extract payload.bin and get the stock boot image file
If you got a payload.bin file once you extract the downloaded firmware zip, just follow this guide. As prerequisites, you will be using Payload Dumper Tool and Python. Read More: How to Extract payload.bin and get the stock boot image file
Extract Boot.img Directly from Device without Downloading Firmware
If you cannot find the compatible firmware to your device or lease you have another problem, you can extract the existing firmware’s boot.img file. Just read this guide for detailed instructions. Extract Boot.img Directly from Device without Downloading Firmware
Administrator
Armed with a Bachelor of Information Technology (BIT) degree, Lucas Noah stands at the intersection of technology and creativity. As a seasoned writer for Creative Outrank LLC and Oceana Express LLC, Lucas brings a wealth of knowledge and insight to the dig. Read more