how to make an image of android partition to your pc

Creating an Image of Your Android Partition

This guide will walk you through the process of creating an image of your Android partition, which can be helpful for various reasons, such as:

• Backup and Restore: Creating an image allows you to restore your Android system to a previous state if needed.
• Experimentation: You can safely try custom ROMs or modifications knowing you can revert to your original state.
• Troubleshooting: If your Android device is experiencing problems, an image can help diagnose the issue.

Prerequisites

• Rooted Android Device: This is crucial to access the necessary commands.
• USB Debugging Enabled: Go to “Developer options” and enable USB debugging on your device.
• ADB and Fastboot Installed: These tools allow you to interact with your device from your PC. Download them from https://developer.android.com/studio/command-line/adb.
• A Partition Imaging Tool: We’ll be using dd, a command-line tool available in most Linux distributions.

Understanding the Process

Steps Involved

1. Boot into Recovery Mode: This mode grants you more access to your device.
2. Mount the Android Partition: You need to make the Android system accessible.
3. Create the Image File: Use dd to capture the data from the Android partition.
4. Transfer Image to Your PC: Move the image file from your device to your PC.

Creating the Image

Follow these steps to create an image of your Android partition:

1. Boot into Recovery Mode

The method to boot into recovery mode varies depending on your Android device. Generally, it involves:

• Powering off your device.
• Pressing and holding a combination of volume keys and power button.

2. Mount the Android Partition

You’ll need to mount the Android partition in recovery mode. This can be done using the mount command in a terminal emulator (if available in recovery). Example:

mount /system /system

3. Create the Image File

Connect your device to your PC via USB. Open a command prompt or terminal on your PC and use the following command to create the image file:

adb shell "dd if=/dev/block/platform/soc/13940000.usb/by-name/system of=/sdcard/system.img"

Explanation:

• if=/dev/block/platform/soc/13940000.usb/by-name/system specifies the input device, which is the Android system partition.
• of=/sdcard/system.img specifies the output file name and location, which is system.img on your device’s SD card.

4. Transfer the Image to Your PC

Use the adb pull command to transfer the image file to your PC:

adb pull /sdcard/system.img C:\Users\YourName\Desktop

Replace C:\Users\YourName\Desktop with the desired location on your PC.

Important Notes

• Image Size: The image file size will be quite large, typically several gigabytes. Ensure you have enough storage space.
• Backup Important Data: Creating an image can overwrite existing data on your device. Backup essential files beforehand.
• Different Commands: The commands used might vary depending on your specific Android device and recovery mode. Refer to your device documentation for specific instructions.