How to fix “Invalid Ext4 Image” when installed ROM Samsung phone

Odin is a helpful tool for Samsung Galaxy devices to flash a stock firmware. The firmware flashing procedure mostly succeeds, provided, you have the correct TAR file [stock firmware file for Samsung]. However, sometimes you may come across failures and end up with a Fail! message in the Odin log. One such error is the “invalid ext4 image” error  that you might encounter while flashing the stock firmware onto your Galaxy device.

Today we will guide you how to fix error “ Invalid Ext4 Image .” This is a problem that you may encounter during flash firmware on your Samsung Galaxy phone. “ Invalid Ext4 Image ” is an error that you may encounter when trying to flash the firmware by Odin to upgrade or downgrade on the device Samsung Galaxy . Therefore, before proceeding to resolve the problem, let’s find out how a specific view is EXT4 !

 Ext4 is what?

Actually, EXT4 (filesystem Wednesday open wide) is a file format for Linux aims to expand the storage limits and adding other performance enhancements for devices that use the Linux kernel. Android is a Linux-based operating system, it also uses storage infrastructure EXT4. When Android was launched in 2008, it used EXT2 but Google has decided to upgrade its storage system to EXT4 in 2010.

Thus, on Android will have a EXT4 partitions on SD-Card of you. For example, if you have an SD card or device with storage capacity of 16GB, 14GB FAT32 you have space and 1GB EXT4 space. (1GD user is unavailable). Having a EXT4 partitions on the device allows you to move applications into EXT4 partitions and so you will get more free space on the internal storage memory.

How to fix error “Invalid Ext4 Image” in Odin

After some more information on EXT4 file system, now we come to the main topic of this article. Since the error “ invalid ext4 image ” closely associated with the partitions stored on your device, it can be overcome by partitioning the internal memory. This problem is usually triggered while flash firmware on the device Samsung Galaxy .

Download file for Samsung devices PIT
Here AloAndroid have a collection of PIT file for some Galaxy devices. If you have one of the versions below, you can download it immediately.
You can find the version of your device in the Settings -> About by telephone. 

Installation Instructions:

Step 1: Download the listed firmware for your for your Galaxy device. Extract the zip file to get the firmware with .tar or .tar.md5extension and place at a location where you can easily locate it on your PC. 

Step 2: Now boot your device into Download/Odin Mode. To do so, turn off your device completely and then press and hold Power button + Volume Down + Home keys for a few seconds. If you see a warning sign press Volume up/ Volume down to get the Odin screen
.
Step 3: If you already have Odin software on your PC then simply run the Odin3_3.10.7.exe file. If not, then download the Odin3.zip file from the download section and extract it. Run Odin software as administrator.

Step 4: While your device is still in the Odin Mode, connect your device to your PC using a USB cable.

Step 5: After a successful connection, the ID: COM in the Odin should turn Blueand an Added!! message should be displayed in the Log tab. In case your device doesn’t show up in Odin, then you can troubleshoot it with the steps given at the end of the tutorial.

Step 6: Now click on AP button[or PDA for older Odin] and add the firmware file by navigating to the file path. Once added, it should show like in the image. Take care that only Auto Reboot, Re-Partition, F.Reset Time and Nand Erase are selected in the Options tab.

Step 7: Now select Pit tab and add the pit files

Step 8: Once done, verify everything and proceed with installation by selecting Startbutton
.
Step 9: When you get a PASS! message in the Log tab on your Odin software, that means firmware has successfully been installed and the device will restart itself. If not then reboot manually.
When  you see the boot animation, you can enjoy your new firmware. Be patient as first boot may take a while.

However, if the system doesn’t boot up for a long time, then go through the following.

How to Fix Bootloop on Samsung Galaxy Device?

If you come across boot loop or your Samsung Galaxy device is stuck at the boot logo then factory reset your device from the recovery. To do so, turn of your device (also remove the battery if applicable and put it back again) and reboot into recovery mode by press and holding Power + Volume down + Home keys for a few seconds. From the Recovery, select Wipe Data / Factory Reset. Confirm the action and reboot once done. Your device should now boot up.

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