How to open an IMG file on Android: step-by-step guide for any cases

Files with the extension .IMG are disk images, backups or archives that are often used to create bootable media, restore system data or store multimedia. On Androiddevices, working with such files can be difficult: standard applications do not recognize them, and attempts to open them through a file manager usually end with the error "Unknown format".

In this article we will look into all current methods of working with IMG on smartphones - from simply viewing the contents to mounting the image as a virtual disk. You'll learn which applications are suitable for beginners and which require root access or command line knowledge. Let us separately dwell on the nuances of opening encrypted images and restoring data from backups.

Important: if your IMGfile is not a disk image, but, for example, a photo with non-standard extension (this happens when saving errors), first check it on your computer using file or 7-Zip. In 90% of such cases, it is enough to rename the file to .JPG or .PNG.

What is an IMG file and why do you need it on Android?

Format IMG (from English image - "image") - this is an exact copy of the data structure with physical or virtual media. On Android such files are found in several scenarios:

• 📱 Backups partition /data or /systemcreated through TWRP or ADB.
• 💾 Boot disk image for installing custom firmware (for example, LineageOS).
• 🎮 Game ROMs for emulators (for example, images PlayStation or Nintendo DS).
• 🔒 Encrypted containers with data (for example, VeraCryptvolumes).

Unlike .ISOwhich is more often used for optical disks, .IMG may contain any file system — from FAT32 to ext4. This makes it universal, but also complicates opening without specialized tools.

⚠️ Attention: If the file .IMG was downloaded from an unreliable source (for example, from a torrent tracker or an unknown site), before opening it, check it for viruses using VirusTotal or Dr.Web Light. The disk image may contain malicious code that will be executed when mounted.

On Android without additional tools you can only:

• 📂 See the file size and creation date.
• 🔄 Rename or delete it.
• 📤 Send to another device.

For everything else you will need special applications or root access.

Method 1: Viewing IMG contents through archivers

If your .IMGfile is unencrypted. image with a file system (for example, a backup copy of a partition /data), it can be opened as an archive. For this, the following are suitable:

• 📦 ZArchiver — supports ext4, FAT32, NTFS and other file systems.
• 🗄️ RAR —works with simple images, but may not recognize complex structures.
• 🔍 7Z —reliable for extracting files, but does not show the folder hierarchy.

Step-by-step guide for ZArchiver:

1. Install ZArchiver from Google Play.
2. Launch the application and find your .IMGfile.
3. Click on it and select "Open as archive".
4. If the image is recognized, you will see a list of files inside. To extract, click "Extract" and specify the folder.

⚠️ Attention: If you see the error "Incorrect archive format" when opening, this means that the file is either encrypted or contains a non-standard file system (for example, f2fs). In this case, proceed to methods 3–5.

Try another archiver (for example, 7Z instead RAR)

Check the file for integrity (compare the hash sum with the original)

Make sure that this is not an encrypted image (try method 4)

Use a PC for preliminary analysis of the file-->

Method 2: Mounting IMG as virtual disk (without root)

To work with .IMG as with a full-fledged disk, you will need an application that supports mounting images. The best options:

Instructions for DriveDroid (the easiest way):

1. Install DriveDroid from Google Play.
2. Launch the application and click "+" → "Create blank image".
3. Select "Use existing image" and specify the path to your .IMGfile.
4. Click "Writeable" (if you need to edit files) or "Read-only".
5. Select "USB Mass Storage" and connect the phone to the PC (if required).
6. A virtual disk will open on your smartphone - now you can view files through any file manager.

Limitation: DriveDroid does not support f2fs If mounting fails, try Mount Image (but. required root).

Method 3: Working with IMG via Termux (for advanced)

If you are familiar with Linux-commands, Termux will allow you to work with .IMG directly on a smartphone. This method is suitable for:

• 🔧 Analyzing the image structure.
• 🔍 Searching for specific files inside.
• 📁 Extracting data without a graphical interface.

Installing the necessary packages:

pkg update && pkg upgrade
pkg install wget proot-distro
proot-distro install ubuntu
proot-distro login ubuntu
apt install sleuthkit afflibewf

Commands for working with IMG:

• Viewing information about the image:

  mmls image.img

• Extracting files (for example, from a section ext4):

  fls -r -p -o [offset] image.img > files.txt
  icat image.img [inode] > extracted_file

• Mounting (requires root):

  mkdir /mnt/img
  mount -o loop image.img /mnt/img

Example: to extract a file from inode 1234 from the image backup.img, do:

icat backup.img 1234 > restored_file

⚠️ Attention: Commands mount and icat require precise indication of the offset (offset) and the file system type. An error in the parameters can lead to data corruption. For beginners, we recommend that you first practice on test images.

Method 4: Opening encrypted IMGs (VeraCrypt, LUKS)

If yours .IMG is encrypted container (for example, created in VeraCrypt or LUKS), to open it you will need:

• 🔐 Password or key file.
• 📱 Application with encryption support (for example, EDS Lite or Cryptomator).
• 💾 Enough free space for mounting.

Instructions for EDS Lite:

1. Install EDS Lite from Google Play.
2. Launch the application and click "Mount container".
3. Select your .IMGfile and enter the password.
4. Specify the file system (usually ext4 or FAT32).
5. After successful mounting, a virtual disk will open, which can be viewed through any file manager.

For VeraCryptcontainers, the official application is suitable VeraCrypt for Android, but it requires root access for full operation. An alternative is Cryptomator, which creates an encrypted cloud storage, but does not support direct work with .IMG.

Android partition backup (TWRP)

Boot disk image (ISO/IMG)

Encrypted container (VeraCrypt, LUKS)

Game ROM for the emulator

Another option -->

Method 5: Converting IMG to ISO or another format

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

1. Copy the file to your PC (via MTP or the cloud).
2. Use one of the utilities:
   • 🖥️ PowerISO —supports conversion to ISO, BIN, NRG.
   • 🐧 dd (Linux/macOS)—to create an exact copy:

     dd if=input.img of=output.iso bs=4M

   • 🪛 ImgBurn (Windows) is a free utility for working with images.

Example of conversion via dd (for Termux):

pkg install coreutils
dd if=original.img of=converted.iso bs=1M status=progress

⚠️ Attention: Conversion can take a long time (up to several hours for large files) and requires free space in double the amount from the original IMG. Do not interrupt the process, otherwise the image will be damaged.

Method 6: Recovering data from damaged data IMG

If the file .IMG does not open due to damage, try recovering the data using:

• 🛠️ TestDisk (via Termux) - restores partitions and files.
• 🔍 PhotoRec - searches for lost files by signatures.
• 💽 DiskDigger —specializes in the recovery of photos and documents.

Instructions for TestDisk in Termux:

pkg install testdisk
testdisk /path/to/broken.img

1. Select "No Log".
2. Specify the type of partition table (usually Intel for MBR or EFI GPT).
3. Select "Analyse" and wait for scanning.
4. If partitions are found, click "P" to view files and "C" for copying.

To restore photos from a damaged image, DiskDigger:

1. Install the application and provide access to the storage.
2. Select "Full Scan" and specify the path to .IMG-file.
3. After scanning, mark the required files and click "Recover".

Method 7: Using a PC for complex cases

If it was not possible to open Android open .IMG , transfer the file to your computer and use:

Mounting example in Linux:

sudo mkdir /mnt/img
sudo mount -o loop,ro,offset=$((2048*512)) image.img /mnt/img

Where 2048 is the sector number of the beginning of the partition (you can find it out via fdisk -l image.img).

For Windows The easiest way is to use 7-Zip or WinRAR —they are often recognized .IMG as an archive. If you need to edit the files inside, mount the image via WinCDEmu:

1. Install WinCDEmu.
2. Click right-click on the .IMGfile → "Select drive letter & mount".
3. Open the designated drive in "This computer".

FAQ: Frequently asked questions about working with IMG on Android

pkg install ddrescue
dd if=/path/to/folder of=output.img bs=4M

su
dd if=/dev/block/mmcblk0p1 of=/sdcard/backup.img