Files with extension .IMG are disk images that can contain everything from firmware backups to boot sectors or virtual disks with games. On a PC they can be opened via Daemon Tools or WinCDEmu, but what about the owners of Android devices? Spoiler: there are more options than it seems.

In this article we will examine 5 working methods launching .IMGfiles on Android - from simple mounting through third-party applications to emulation through QEMU or data extraction using archivers. We will separately dwell on the nuances for devices without root access and with them, and also warn about the risks that are often missed in such guides.

If you just need to view the contents of the image, a method with an archiver will do. If the goal is to emulate a boot disk (for example, to restore firmware), more complex tools will be required. Choose a method based on the task!

What is an IMG file and why open it on Android

File IMG (from English image - “image”) is a bit copy of a disk or partition, including service data (boot records, partition tables). Such files are created for:

  • 📀 Backing up firmware (Nandroid backup v TWRP).
  • 🎮 Game emulation (disc images for PlayStation, Nintendo).
  • 💾 Distribution of Live-CD systems (for example, Kali Linux for ARM).
  • 🔧 Data recovery from damaged media.

On Android files .IMG may be needed for:

  • 📱 Installing custom firmware via Fastboot or TWRP.
  • 🎯 Running retro games through emulators (PPSSPP, Dolphin).
  • 🔍 Analyzing memory dumps (for example, when debugging applications).

Important understand: not all IMG files are the same. Some contain a file system (they can be mounted as a disk), others contain “raw” data (require special tools). For example, a firmware image for Samsung Odin in the .tar.md5 format may contain .IMGfiles for each partition (boot.img, system.img etc.).

⚠️ Attention: If the file .IMG is downloaded from an untrusted source, running it may lead to data loss or installation of malware. Before work, check the hash amount of the file (for example, through Hash Droidand compare with the official data.

Method 1: Mounting the IMG as a virtual disk (without ROOT)

The easiest way is to use applications that emulate a virtual drive. They allow you to “connect” a .IMGfile as a disk and view its contents:

Application Format support root access Features
DiskImage Mount IMG, ISO, BIN No Simple interface, supports mounting in /mnt
DriveDroid IMG, ISO, VHD No (partially) Can emulate a USB drive for a PC
Total Commander + plugin IMG (read only) No Requires installation ImgPlugin

Let's look at the process using an example DiskImage Mount:

  1. Download and install the application from Google Play.
  2. Open it and press Select Image, then select your .IMGfile.
  3. Tap Mount —the file will be mounted into a folder /mnt/diskimage.
  4. Use any file manager (for example, FX File Explorer) to view contents.

Method limitations:

  • 🚫 Not all images are supported (for example, encrypted or with a non-standard structure).
  • 🚫 It is not possible to write data to the mounted image.
  • 🚫 Some files may appear as binary garbage (if the image does not contain a file system).

Check the free space on the device (the image takes up memory space)

Disable battery optimization for the mount application

Download the file .IMG to the root folder of the device (not on SD card)

Close all file managers before mounting-->

Method 2: Extracting data from IMG through an archiver

If the image contains a file system (for example, ext4, FAT32), it can be opened as an archive. Suitable for this:

  • 📂 ZArchiver (supports IMG as an archive).
  • 📂 RAR for Android (only for some types of IMG).
  • 📂 7Zipper (works with images created through dd).

Instructions for ZArchiver:

  1. Open the application and find your .IMGfile.
  2. Tap on it and select Open as archive.
  3. If the image contains a file system, you will see a list of files. Copy the ones you need to any folder.

If the archiver shows an error or binary garbage:

  • 🔹 Try renaming the file to .ISO (sometimes it helps).
  • 🔹 Use a PC to convert the image to another format (for example, via PowerISO).
  • 🔹 Check whether the file parsed dump (for example, sparse.img requires simg2img for unpacking).
💡

If the image contains Android firmware, look for files with extensions .mbn, .bin or .dtb —they cannot be simply copied, they require special tools for installation.

Method 3: IMG emulation via QEMU (for advanced users)

QEMU is a processor emulator that allows you to run virtual machines on Android. Using it, you can emulate an image as a boot disk. This method is suitable for: Running Live-CD systems (for example, Testing custom firmware without installing it on the device. data-i="137">🔧 Debugging low-level software. .IMG-image as a boot disk. This method is suitable for:

  • 🖥️ Launching Live-CD systems (for example, Kali Linux).
  • 🎯 Testing custom firmware without installation on the device.
  • 🔧 Debugging low-level software.

To work you will need:

  1. Install QEMU Manager or UserLAnd from Google Play.
  2. Download qemu-img for Android (available in repositories Termux).
  3. Place your .IMGfile in an accessible folder (for example, /sdcard/Download).

Example command to run the image in Termux:

qemu-system-x86_64 -m 2048 -hda /sdcard/Download/disk.img -enable-kvm

Please note:

  • 🚨 Emulation requires a lot of resources - it will slow down on weak devices.
  • 🚨 Not all images are supported (for example, ARM images will not run on an x86 emulator).
  • 🚨 To speed up, use the flag -enable-kvm (requires a supported kernel KVM).
⚠️ Attention: Emulation via QEMU can lead to device overheating. Monitor the processor temperature (for example, via CPU Monitor) and do not leave the emulator running unattended.
📊 Why do you need an IMG file?
Installing firmware
Running retro games
Data recovery
Software testing
Other

Method 4: Working with IMG via TWRP (for devices with ROOT)

If you have custom recovery (TWRP, OrangeFox), you can directly work with .IMGimages through its interface. This is relevant for:

  • 📱 Restoring backups (Nandroid backup).
  • 🔧 Installing custom kernels (boot.img).
  • 🗃️ Changing system partitions (for example, system.img).

Instructions:

  1. Boot into TWRP (usually Power + Volume Up).
  2. Go to Mount → Enable MTP and connect the device to the PC.
  3. Copy .IMG-file to folder /sdcard.
  4. In TWRP select Install → Install Image and specify the path to the file.
  5. Select the partition for installation (for example, Boot or Recovery).
  6. Confirm the action by swiping.

Warnings:

  • 🔴 Incorrect installation boot.img can lead to bricking of the device!
  • 🔴 Always check that the image matches your device model.
  • 🔴 Before installation, make a backup of the current partition (Backup → Select Partitions).
What to do if after installing IMG the device does not boot?

If after flashing boot.img or recovery.img the device is stuck on the logo:

1. Try booting into Fastboot Mode (Power + Volume Down).

2. Flash the original boot.img via the command:

fastboot flash boot stock_boot.img

3. If it doesn’t help, use a debriefing tool (for example, Qualcomm QDLoader for Qualcommdevices or Samsung Odin for Samsung).

Method 5: Converting IMG to another format

If none of the methods worked, try converting .IMG to a more compatible format (for example, .ISO or .VMDKTo do this:

On PC:

  • 🖥️ Use PowerISO or UltraISO to convert to .ISO.
  • 🖥️ To convert to .VMDK (virtual disk VMware) use the command: 
    qemu-img convert -f raw -O vmdk input.img output.vmdk

On Android (via Termux):

  1. Install Termux and run: 
    pkg install qemu-utils
  2. Convert the image: 
    qemu-img convert -f raw -O qcow2 /sdcard/Download/disk.img /sdcard/Download/disk.qcow2

Advantages of conversion:

  • ✅ More chances of compatibility with emulators.
  • ✅ Ability to compress the image (for example, in qcow2).
  • ✅ Simplification of working with virtual machines.
⚠️ Attention: Conversion may take a lot of time and space on the device. For example, a 16 GB image after conversion to qcow2 may be reduced to 2–3 GB, but the process will require up to 20–30 GB of free space during the operation.
💡

If the file .IMG is a firmware image, converting it to another format may make it unsuitable for installation via Fastboot or Odin. In this case, it is better to work with the original file.

Frequent errors and their solutions

When working with .IMGfiles, users encounter typical problems. Let's look at the most common ones:

Error Cause Solution
Failed to mount: Invalid argument The image is damaged or has a non-standard structure Check the checksum of the file or try opening it on PC
Not enough space The device does not have enough memory to mount Clear the cache or use an SD card (if supported)
The emulator produces Kernel panic The image is intended for a different architecture (ARM vs x86) Use an emulator that supports the desired architecture
Files in the image are displayed as binary garbage The image does not contain a file system (raw data) Use a hex editor (for example, Hex Editor) for analysis

If you see an error E: Unknown command [log] in TWRP when trying to flash .IMG:

  • 🔧 Make sure you select Install Imageand not Install Zip.
  • 🔧 Check that the image matches the partition (for example, boot.img cannot be flashed in recovery).
Is it possible to open an IMG without root access?

Yes, but with restrictions. You can:

  • 📌 Mount the image as a disk via DiskImage Mount (read only).
  • 📌 Extract data through an archiver (if the image contains a file system).
  • 📌 Convert the file to another format on a PC.

Without ROOT is impossible:

  • 🚫 Flash images into system partitions.
  • 🚫 Mount images with write permissions.
How to find out what is inside an IMG file?

There are several ways:

  1. Open the file in hex editor (for example, Hex Editor) and look for signatures:
    • EXT4: 53 EF at the beginning.
    • FAT32: EB 58 90.
    • NTFS: EB 52 90 4E 54 46 53.
  • Use the command in Termux: 
    file /sdcard/Download/your_image.img

    It will show the file system type (if any).

    • Is it possible to run a Windows image (.IMG) on Android?

    Technically yes, but with reservations:

    • 🖥️ For this you need QEMU with support x86_64.
    • 🖥️ The image must be prepared for UEFI downloads (regular Windows ISOs are not will do).
    • 🖥️ Performance will be extremely low (Windows 10/11 is not designed for ARM processors of most smartphones).

    It is better to use Windows 365 or Shadow PC for cloud access.

    How to create an IMG image from an Android device?

    To create a partition image (for example, for backup), you will need root access and Termux:

    1. Install Termux and do: 
      pkg install e2fsprogs
    2. Create a partition image /dev/block/mmcblk0p1 (replace with your partition!): 
      dd if=/dev/block/mmcblk0p1 of=/sdcard/Download/backup.img
    3. For compression use: 
      gzip /sdcard/Download/backup.img

    ⚠️ Attention: Incorrect partition specification (if=) can lead to loss of all data on the device!

    Why can’t applications see my IMG file?

    Possible reasons:

    • 🔍 File damaged (check the checksum MD5/SHA1).
    • 🔍 The image has a non-standard structure (for example, sparse-format).
    • 🔍 The file is located on the SD card, and the application does not have read permissions.
    • 🔍 The image is encrypted (for example, dm-crypt in firmware with FBE).

    Solutions:

    • 🛠️ Copy the file to internal memory.
    • 🛠️ Try it rename the extension to .iso.
    • 🛠️ Use a PC to check the integrity of the file.